diff --git a/oci_go_image/main_test.go b/oci_go_image/main_test.go
index faaa2c53..967bc52b 100644
--- a/oci_go_image/main_test.go
+++ b/oci_go_image/main_test.go
@@ -8,7 +8,7 @@ import (
 func TestCompare(t *testing.T) {
 	result := Compare("this", "that")
 
-	if !strings.Contains(result, "this") {
+	if !strings.Contains(result, "thisdemo") {
 		t.Error("expected a diff containing 'this' but got", result)
 	}
 }