diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index 9fe5b3a30..43c427109 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -14,6 +14,7 @@ env:
 
 jobs:
   build-and-push-image:
+    if: github.repository == 'restic/restic'
     runs-on: ubuntu-latest
     permissions:
       contents: read