diff --git a/internal/resources/tanzupackageinstall/spec/spec_flatten_test.go b/internal/resources/tanzupackageinstall/spec/spec_flatten_test.go
index 01da5f962..7250522d1 100644
--- a/internal/resources/tanzupackageinstall/spec/spec_flatten_test.go
+++ b/internal/resources/tanzupackageinstall/spec/spec_flatten_test.go
@@ -59,6 +59,10 @@ func TestFlattenSpecForClusterScope(t *testing.T) {
 						"namespace": "cert-manager",
 						"some":      "91",
 					},
+					PathToInlineValuesKey: map[string]interface{}{
+						"namespace": "cert-manager",
+						"some":      91,
+					},
 				},
 			},
 		},