diff --git a/tooling/templatize/pkg/pipeline/run_test.go b/tooling/templatize/pkg/pipeline/run_test.go
index 573f9bc26..e43537068 100644
--- a/tooling/templatize/pkg/pipeline/run_test.go
+++ b/tooling/templatize/pkg/pipeline/run_test.go
@@ -126,6 +126,32 @@ func TestPipelineValidate(t *testing.T) {
 			},
 			err: "invalid dependency on step step2: dependency step3 does not exist",
 		},
+		{
+			name: "duplicate step name",
+			pipeline: &Pipeline{
+				ResourceGroups: []*ResourceGroup{
+					{
+						Name:         "rg1",
+						Subscription: "sub1",
+						Steps: []*Step{
+							{
+								Name: "step1",
+							},
+						},
+					},
+					{
+						Name:         "rg2",
+						Subscription: "sub1",
+						Steps: []*Step{
+							{
+								Name: "step1",
+							},
+						},
+					},
+				},
+			},
+			err: "duplicate step name \"step1\"",
+		},
 		{
 			name: "valid step dependencies",
 			pipeline: &Pipeline{