diff --git a/.github/workflows/dev-container.yml b/.github/workflows/dev-container.yml
index a3b20120e32..4234c4feb7b 100644
--- a/.github/workflows/dev-container.yml
+++ b/.github/workflows/dev-container.yml
@@ -17,6 +17,7 @@ permissions:
 
 jobs:
   build:
+    if: github.repository == 'SerenityOS/serenity'
     runs-on: ubuntu-latest
     steps: