diff --git a/.forgejo/workflows/merge-requirements.yml b/.forgejo/workflows/merge-requirements.yml
index 9aaf2af68d..9bed4b8797 100644
--- a/.forgejo/workflows/merge-requirements.yml
+++ b/.forgejo/workflows/merge-requirements.yml
@@ -1,4 +1,4 @@
-# Copyright 2024 The Forgejo Authors
+# Copyright 2025 The Forgejo Authors
 # SPDX-License-Identifier: MIT
 
 name: requirements
@@ -13,7 +13,8 @@ on:
 
 jobs:
   merge-conditions:
-    if: vars.ROLE == 'forgejo-coding'
+    if: >
+      vars.ROLE == 'forgejo-coding' && forge.event.pull_request.head.repo.full_name != 'forgejo-cascading-pr/forgejo'
     runs-on: docker
     container:
       image: 'data.forgejo.org/oci/node:22-bookworm'
@@ -26,9 +27,9 @@ jobs:
       - name: Missing test label
         if: >
           !(
-            contains(toJSON(github.event.pull_request.labels), 'test/present')
-            || contains(toJSON(github.event.pull_request.labels), 'test/not-needed')
-            || contains(toJSON(github.event.pull_request.labels), 'test/manual')
+            contains(toJSON(forge.event.pull_request.labels), 'test/present')
+            || contains(toJSON(forge.event.pull_request.labels), 'test/not-needed')
+            || contains(toJSON(forge.event.pull_request.labels), 'test/manual')
           )
         run: |
           echo "A team member must set the label to either 'present', 'not-needed' or 'manual'."
@@ -36,8 +37,8 @@ jobs:
       - name: Missing manual test instructions
         if: >
           (
-            contains(toJSON(github.event.pull_request.labels), 'test/manual')
-            && !contains(toJSON(github.event.pull_request.body), '# Test')
+            contains(toJSON(forge.event.pull_request.labels), 'test/manual')
+            && !contains(toJSON(forge.event.pull_request.body), '# Test')
           )
         run: |
           echo "Manual test label is set. The PR description needs to contain test steps introduced by a heading like:"