diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 3349f9b9a..43e15533a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -115,7 +115,7 @@ jobs:
   # Publish Python package and Docker image
   publish:
     if: |
-      github.repository == squidfunk/mkdocs-material && \
+      github.repository == 'squidfunk/mkdocs-material' && \
       startsWith(github.ref, 'refs/tags')
     needs: build
     runs-on: ubuntu-latest