diff --git a/.github/workflows/pr-status-checks-workflow-call-fork.yml b/.github/workflows/pr-status-checks-workflow-call-fork.yml
new file mode 100644
index 0000000..5a919f6
--- /dev/null
+++ b/.github/workflows/pr-status-checks-workflow-call-fork.yml
@@ -0,0 +1,23 @@
+name: PR Status Checks
+
+on:
+  pull_request_target:
+    branches:
+      - main
+
+concurrency:
+  group: ${{ github.event.pull_request.head.repo.full_name }}-${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}-fork
+  cancel-in-progress: true
+
+permissions:
+  pull-requests: write
+  contents: write
+  packages: read
+  actions: write
+  checks: write
+  statuses: write
+
+jobs:
+  pr-status-check:
+    if: ${{ github.event.pull_request.head.repo.full_name != 'openmcp-project/blueprint-building-blocks' }}
+    uses: "openmcp-project/blueprint-workflows/.github/workflows/git-pr-status-checks.yml@main"
diff --git a/.github/workflows/pr-status-checks-workflow-call.yml b/.github/workflows/pr-status-checks-workflow-call.yml
index 5c94ce4..c46dbdf 100644
--- a/.github/workflows/pr-status-checks-workflow-call.yml
+++ b/.github/workflows/pr-status-checks-workflow-call.yml
@@ -4,9 +4,6 @@ on:
   pull_request:
     branches:
       - main
-  pull_request_target:
-    branches:
-      - main
 
 concurrency:
   group: ${{ github.event.pull_request.head.repo.full_name }}-${{ github.workflow }}-${{ github.event.pull_request.number || github.ref }}
@@ -22,4 +19,5 @@ permissions:
 
 jobs:
   pr-status-check:
+    if: ${{ github.event.pull_request.head.repo.full_name == 'openmcp-project/blueprint-building-blocks' }}
     uses: "openmcp-project/blueprint-workflows/.github/workflows/git-pr-status-checks.yml@main"