diff --git a/command/format/diff_test.go b/command/format/diff_test.go
index 1d0a2fedb..26111a9d8 100644
--- a/command/format/diff_test.go
+++ b/command/format/diff_test.go
@@ -3631,28 +3631,44 @@ func TestResourceChange_sensitiveVariable(t *testing.T) {
 			After: cty.ObjectVal(map[string]cty.Value{
 				"id":  cty.StringVal("i-02ae66f368e8518a9"),
 				"ami": cty.StringVal("ami-123"),
+				"list_field": cty.ListVal([]cty.Value{
+					cty.StringVal("hello"),
+					cty.StringVal("friends"),
+					cty.StringVal("!"),
+				}),
 			}),
 			AfterValMarks: []cty.PathValueMarks{
 				{
 					Path:  cty.Path{cty.GetAttrStep{Name: "ami"}},
 					Marks: cty.NewValueMarks("sensitive"),
-				}},
+				},
+				{
+					Path:  cty.Path{cty.GetAttrStep{Name: "list_field"}, cty.IndexStep{Key: cty.NumberIntVal(1)}},
+					Marks: cty.NewValueMarks("sensitive"),
+				},
+			},
 			RequiredReplace: cty.NewPathSet(),
 			Tainted:         false,
 			Schema: &configschema.Block{
 				Attributes: map[string]*configschema.Attribute{
-					"id":  {Type: cty.String, Optional: true, Computed: true},
-					"ami": {Type: cty.String, Optional: true},
+					"id":         {Type: cty.String, Optional: true, Computed: true},
+					"ami":        {Type: cty.String, Optional: true},
+					"list_field": {Type: cty.List(cty.String), Optional: true},
 				},
 			},
 			ExpectedOutput: `  # test_instance.example will be created
   + resource "test_instance" "example" {
-      + ami = (sensitive)
-      + id  = "i-02ae66f368e8518a9"
+      + ami        = (sensitive)
+      + id         = "i-02ae66f368e8518a9"
+      + list_field = [
+          + "hello",
+          + (sensitive),
+          + "!",
+        ]
     }
 `,
 		},
-		"in-place update - before sensitive, primitive types": {
+		"in-place update - before sensitive": {
 			Action: plans.Update,
 			Mode:   addrs.ManagedResourceMode,
 			Before: cty.ObjectVal(map[string]cty.Value{
@@ -3660,12 +3676,22 @@ func TestResourceChange_sensitiveVariable(t *testing.T) {
 				"ami":         cty.StringVal("ami-BEFORE"),
 				"special":     cty.BoolVal(true),
 				"some_number": cty.NumberIntVal(1),
+				"list_field": cty.ListVal([]cty.Value{
+					cty.StringVal("hello"),
+					cty.StringVal("friends"),
+					cty.StringVal("!"),
+				}),
 			}),
 			After: cty.ObjectVal(map[string]cty.Value{
 				"id":          cty.StringVal("i-02ae66f368e8518a9"),
 				"ami":         cty.StringVal("ami-AFTER"),
 				"special":     cty.BoolVal(false),
 				"some_number": cty.NumberIntVal(2),
+				"list_field": cty.ListVal([]cty.Value{
+					cty.StringVal("hello"),
+					cty.StringVal("friends"),
+					cty.StringVal("."),
+				}),
 			}),
 			BeforeValMarks: []cty.PathValueMarks{
 				{
@@ -3680,6 +3706,10 @@ func TestResourceChange_sensitiveVariable(t *testing.T) {
 					Path:  cty.Path{cty.GetAttrStep{Name: "some_number"}},
 					Marks: cty.NewValueMarks("sensitive"),
 				},
+				{
+					Path:  cty.Path{cty.GetAttrStep{Name: "list_field"}, cty.IndexStep{Key: cty.NumberIntVal(2)}},
+					Marks: cty.NewValueMarks("sensitive"),
+				},
 			},
 			RequiredReplace: cty.NewPathSet(),
 			Tainted:         false,
@@ -3687,6 +3717,7 @@ func TestResourceChange_sensitiveVariable(t *testing.T) {
 				Attributes: map[string]*configschema.Attribute{
 					"id":          {Type: cty.String, Optional: true, Computed: true},
 					"ami":         {Type: cty.String, Optional: true},
+					"list_field":  {Type: cty.List(cty.String), Optional: true},
 					"special":     {Type: cty.Bool, Optional: true},
 					"some_number": {Type: cty.Number, Optional: true},
 				},
@@ -3697,6 +3728,12 @@ func TestResourceChange_sensitiveVariable(t *testing.T) {
       # after applying this change
       ~ ami         = (sensitive)
         id          = "i-02ae66f368e8518a9"
+      ~ list_field  = [
+            # (1 unchanged element hidden)
+            "friends",
+          - (sensitive),
+          + ".",
+        ]
       # Warning: this attribute value will no longer be marked as sensitive
       # after applying this change
       ~ some_number = (sensitive)
@@ -3706,41 +3743,63 @@ func TestResourceChange_sensitiveVariable(t *testing.T) {
     }
 `,
 		},
-		"in-place update - after sensitive, map type": {
+		"in-place update - after sensitive": {
 			Action: plans.Update,
 			Mode:   addrs.ManagedResourceMode,
 			Before: cty.ObjectVal(map[string]cty.Value{
 				"id": cty.StringVal("i-02ae66f368e8518a9"),
 				"tags": cty.MapVal(map[string]cty.Value{
-					"name": cty.StringVal("anna"),
+					"name":    cty.StringVal("anna a"),
+					"address": cty.StringVal("123 Main St"),
+				}),
+				"list_field": cty.ListVal([]cty.Value{
+					cty.StringVal("hello"),
+					cty.StringVal("friends"),
 				}),
 			}),
 			After: cty.ObjectVal(map[string]cty.Value{
 				"id": cty.StringVal("i-02ae66f368e8518a9"),
 				"tags": cty.MapVal(map[string]cty.Value{
-					"name": cty.StringVal("bob"),
+					"name":    cty.StringVal("anna b"),
+					"address": cty.StringVal("123 Main Ave"),
+				}),
+				"list_field": cty.ListVal([]cty.Value{
+					cty.StringVal("goodbye"),
+					cty.StringVal("friends"),
 				}),
 			}),
 			AfterValMarks: []cty.PathValueMarks{
 				{
-					Path:  cty.Path{cty.GetAttrStep{Name: "tags"}, cty.IndexStep{Key: cty.StringVal("name")}},
+					Path:  cty.Path{cty.GetAttrStep{Name: "tags"}, cty.IndexStep{Key: cty.StringVal("address")}},
 					Marks: cty.NewValueMarks("sensitive"),
-				}},
+				},
+				{
+					Path:  cty.Path{cty.GetAttrStep{Name: "list_field"}, cty.IndexStep{Key: cty.NumberIntVal(0)}},
+					Marks: cty.NewValueMarks("sensitive"),
+				},
+			},
 			RequiredReplace: cty.NewPathSet(),
 			Tainted:         false,
 			Schema: &configschema.Block{
 				Attributes: map[string]*configschema.Attribute{
-					"id":   {Type: cty.String, Optional: true, Computed: true},
-					"tags": {Type: cty.Map(cty.String), Optional: true},
+					"id":         {Type: cty.String, Optional: true, Computed: true},
+					"tags":       {Type: cty.Map(cty.String), Optional: true},
+					"list_field": {Type: cty.List(cty.String), Optional: true},
 				},
 			},
 			ExpectedOutput: `  # test_instance.example will be updated in-place
   ~ resource "test_instance" "example" {
-        id   = "i-02ae66f368e8518a9"
-      ~ tags = {
+        id         = "i-02ae66f368e8518a9"
+      ~ list_field = [
+          - "hello",
+          + (sensitive),
+            "friends",
+        ]
+      ~ tags       = {
           # Warning: this attribute value will be marked as sensitive and will
           # not display in UI output after applying this change
-          ~ "name" = (sensitive)
+          ~ "address" = (sensitive)
+          ~ "name"    = "anna a" -> "anna b"
         }
     }
 `,
@@ -3751,33 +3810,57 @@ func TestResourceChange_sensitiveVariable(t *testing.T) {
 			Before: cty.ObjectVal(map[string]cty.Value{
 				"id":  cty.StringVal("i-02ae66f368e8518a9"),
 				"ami": cty.StringVal("ami-BEFORE"),
+				"list_field": cty.ListVal([]cty.Value{
+					cty.StringVal("hello"),
+					cty.StringVal("friends"),
+				}),
 			}),
 			After: cty.ObjectVal(map[string]cty.Value{
 				"id":  cty.StringVal("i-02ae66f368e8518a9"),
 				"ami": cty.StringVal("ami-AFTER"),
+				"list_field": cty.ListVal([]cty.Value{
+					cty.StringVal("goodbye"),
+					cty.StringVal("friends"),
+				}),
 			}),
 			BeforeValMarks: []cty.PathValueMarks{
 				{
 					Path:  cty.Path{cty.GetAttrStep{Name: "ami"}},
 					Marks: cty.NewValueMarks("sensitive"),
-				}},
+				},
+				{
+					Path:  cty.Path{cty.GetAttrStep{Name: "list_field"}, cty.IndexStep{Key: cty.NumberIntVal(0)}},
+					Marks: cty.NewValueMarks("sensitive"),
+				},
+			},
 			AfterValMarks: []cty.PathValueMarks{
 				{
 					Path:  cty.Path{cty.GetAttrStep{Name: "ami"}},
 					Marks: cty.NewValueMarks("sensitive"),
-				}},
+				},
+				{
+					Path:  cty.Path{cty.GetAttrStep{Name: "list_field"}, cty.IndexStep{Key: cty.NumberIntVal(0)}},
+					Marks: cty.NewValueMarks("sensitive"),
+				},
+			},
 			RequiredReplace: cty.NewPathSet(),
 			Tainted:         false,
 			Schema: &configschema.Block{
 				Attributes: map[string]*configschema.Attribute{
-					"id":  {Type: cty.String, Optional: true, Computed: true},
-					"ami": {Type: cty.String, Optional: true},
+					"id":         {Type: cty.String, Optional: true, Computed: true},
+					"ami":        {Type: cty.String, Optional: true},
+					"list_field": {Type: cty.List(cty.String), Optional: true},
 				},
 			},
 			ExpectedOutput: `  # test_instance.example will be updated in-place
   ~ resource "test_instance" "example" {
-      ~ ami = (sensitive)
-        id  = "i-02ae66f368e8518a9"
+      ~ ami        = (sensitive)
+        id         = "i-02ae66f368e8518a9"
+      ~ list_field = [
+          - (sensitive),
+          + (sensitive),
+            "friends",
+        ]
     }
 `,
 		},
@@ -3787,25 +3870,39 @@ func TestResourceChange_sensitiveVariable(t *testing.T) {
 			Before: cty.ObjectVal(map[string]cty.Value{
 				"id":  cty.StringVal("i-02ae66f368e8518a9"),
 				"ami": cty.StringVal("ami-BEFORE"),
+				"list_field": cty.ListVal([]cty.Value{
+					cty.StringVal("hello"),
+					cty.StringVal("friends"),
+				}),
 			}),
 			After: cty.NullVal(cty.EmptyObject),
 			BeforeValMarks: []cty.PathValueMarks{
 				{
 					Path:  cty.Path{cty.GetAttrStep{Name: "ami"}},
 					Marks: cty.NewValueMarks("sensitive"),
-				}},
+				},
+				{
+					Path:  cty.Path{cty.GetAttrStep{Name: "list_field"}, cty.IndexStep{Key: cty.NumberIntVal(1)}},
+					Marks: cty.NewValueMarks("sensitive"),
+				},
+			},
 			RequiredReplace: cty.NewPathSet(),
 			Tainted:         false,
 			Schema: &configschema.Block{
 				Attributes: map[string]*configschema.Attribute{
-					"id":  {Type: cty.String, Optional: true, Computed: true},
-					"ami": {Type: cty.String, Optional: true},
+					"id":         {Type: cty.String, Optional: true, Computed: true},
+					"ami":        {Type: cty.String, Optional: true},
+					"list_field": {Type: cty.List(cty.String), Optional: true},
 				},
 			},
 			ExpectedOutput: `  # test_instance.example will be destroyed
   - resource "test_instance" "example" {
-      - ami = (sensitive) -> null
-      - id  = "i-02ae66f368e8518a9" -> null
+      - ami        = (sensitive) -> null
+      - id         = "i-02ae66f368e8518a9" -> null
+      - list_field = [
+          - "hello",
+          - (sensitive),
+        ] -> null
     }
 `,
 		},
diff --git a/plans/objchange/lcs.go b/plans/objchange/lcs.go
index cbfefdddd..0ab06f5bf 100644
--- a/plans/objchange/lcs.go
+++ b/plans/objchange/lcs.go
@@ -26,7 +26,12 @@ func LongestCommonSubsequence(xs, ys []cty.Value) []cty.Value {
 
 	for y := 0; y < len(ys); y++ {
 		for x := 0; x < len(xs); x++ {
-			eqV := xs[x].Equals(ys[y])
+			unmarkedX, xMarks := xs[x].UnmarkDeep()
+			unmarkedY, yMarks := ys[y].UnmarkDeep()
+			eqV := unmarkedX.Equals(unmarkedY)
+			if len(xMarks) != len(yMarks) {
+				eqV = cty.False
+			}
 			eq := false
 			if eqV.IsKnown() && eqV.True() {
 				eq = true
diff --git a/plans/objchange/lcs_test.go b/plans/objchange/lcs_test.go
index 9b57f4e9d..e455adb14 100644
--- a/plans/objchange/lcs_test.go
+++ b/plans/objchange/lcs_test.go
@@ -70,6 +70,38 @@ func TestLongestCommonSubsequence(t *testing.T) {
 			[]cty.Value{cty.UnknownVal(cty.Number)},
 			[]cty.Value{},
 		},
+
+		// marked values
+		{
+			[]cty.Value{cty.NumberIntVal(1).Mark("foo"), cty.NumberIntVal(2).Mark("foo"), cty.NumberIntVal(3)},
+			[]cty.Value{cty.NumberIntVal(1).Mark("foo"), cty.NumberIntVal(2).Mark("foo")},
+			[]cty.Value{cty.NumberIntVal(1).Mark("foo"), cty.NumberIntVal(2).Mark("foo")},
+		},
+		{
+			[]cty.Value{cty.NumberIntVal(1), cty.NumberIntVal(2).Mark("foo"), cty.NumberIntVal(3)},
+			[]cty.Value{cty.NumberIntVal(2), cty.NumberIntVal(3)},
+			[]cty.Value{cty.NumberIntVal(3)},
+		},
+		{
+			[]cty.Value{cty.NumberIntVal(1), cty.NumberIntVal(2).Mark("foo")},
+			[]cty.Value{cty.NumberIntVal(2)},
+			[]cty.Value{},
+		},
+		{
+			[]cty.Value{
+				cty.MapVal(map[string]cty.Value{"a": cty.StringVal("x").Mark("sensitive")}),
+				cty.MapVal(map[string]cty.Value{"b": cty.StringVal("y")}),
+			},
+			[]cty.Value{
+				cty.MapVal(map[string]cty.Value{"a": cty.StringVal("x").Mark("sensitive")}),
+				cty.MapVal(map[string]cty.Value{"b": cty.StringVal("y")}),
+				cty.MapVal(map[string]cty.Value{"c": cty.StringVal("z")}),
+			},
+			[]cty.Value{
+				cty.MapVal(map[string]cty.Value{"a": cty.StringVal("x").Mark("sensitive")}),
+				cty.MapVal(map[string]cty.Value{"b": cty.StringVal("y")}),
+			},
+		},
 	}
 
 	for _, test := range tests {