diff --git a/.github/workflows/pr-checks.yml b/.github/workflows/pr-checks.yml
index d5fd7b4a3..48bcfb199 100644
--- a/.github/workflows/pr-checks.yml
+++ b/.github/workflows/pr-checks.yml
@@ -25,3 +25,5 @@ jobs:
           make test
       - name: Check modified files
         run: git diff --exit-code
+      - name: Check if test GUIDs are unique
+        run: x=$(grep -rEho '[[:xdigit:]]{8}(-[[:xdigit:]]{4}){3}-[[:xdigit:]]{12}'  ./internal | sort | uniq -d); [ -z "${x}" ] || ( echo duplicated GUID detected $x; exit 1; )
diff --git a/internal/controller/cloud-control/vpcpeering_aws_test.go b/internal/controller/cloud-control/vpcpeering_aws_test.go
index b429e928e..44489d275 100644
--- a/internal/controller/cloud-control/vpcpeering_aws_test.go
+++ b/internal/controller/cloud-control/vpcpeering_aws_test.go
@@ -70,7 +70,7 @@ var _ = Describe("Feature: KCP VpcPeering", func() {
 			)
 		})
 
-		vpcpeeringName := "b76ff161-c288-44fa-a295-8df2076af6a5"
+		vpcpeeringName := "1839c399-c52e-4b43-b156-4b51027508cd"
 		vpcpeering := &cloudcontrolv1beta1.VpcPeering{}
 
 		By("When KCP VpcPeering is created", func() {