diff --git a/builtin/providers/google/resource_compute_snapshot_test.go b/builtin/providers/google/resource_compute_snapshot_test.go
index 0a6cfacdb..1036da4a8 100644
--- a/builtin/providers/google/resource_compute_snapshot_test.go
+++ b/builtin/providers/google/resource_compute_snapshot_test.go
@@ -146,11 +146,13 @@ resource "google_compute_disk" "foobar" {
 	size = 10
 	type = "pd-ssd"
 	zone = "us-central1-a"
+	disk_encryption_key_raw = "SGVsbG8gZnJvbSBHb29nbGUgQ2xvdWQgUGxhdGZvcm0="
 }
 resource "google_compute_snapshot" "foobar" {
 	name = "%s"
-	disk = "%s"
+	disk = "${google_compute_disk.foobar.name}"
 	zone = "us-central1-a"
+	sourcedisk_encryption_key_raw = "SGVsbG8gZnJvbSBHb29nbGUgQ2xvdWQgUGxhdGZvcm0="
 	snapshot_encryption_key_raw = "SGVsbG8gZnJvbSBHb29nbGUgQ2xvdWQgUGxhdGZvcm0="
-}`, diskName, snapshotName, diskName)
+}`, diskName, snapshotName)
 }