diff --git a/config_test.go b/config_test.go
index a5203283c..fd29ddda1 100644
--- a/config_test.go
+++ b/config_test.go
@@ -33,6 +33,10 @@ func TestConfig_Merge(t *testing.T) {
 			"foo": "bar",
 			"bar": "blah",
 		},
+		Provisioners: map[string]string{
+			"local":  "local",
+			"remote": "bad",
+		},
 	}
 
 	c2 := &Config{
@@ -40,6 +44,9 @@ func TestConfig_Merge(t *testing.T) {
 			"bar": "baz",
 			"baz": "what",
 		},
+		Provisioners: map[string]string{
+			"remote": "remote",
+		},
 	}
 
 	expected := &Config{
@@ -48,6 +55,10 @@ func TestConfig_Merge(t *testing.T) {
 			"bar": "baz",
 			"baz": "what",
 		},
+		Provisioners: map[string]string{
+			"local":  "local",
+			"remote": "remote",
+		},
 	}
 
 	actual := c1.Merge(c2)