diff --git a/.github/workflows/docker.yml b/.github/workflows/docker.yml
index c27ef18..5ab6920 100644
--- a/.github/workflows/docker.yml
+++ b/.github/workflows/docker.yml
@@ -14,8 +14,8 @@ jobs:
 
       - name: Log into GitHub Docker Registry
         run: echo ${{ secrets.GITHUB_TOKEN }} | docker login docker.pkg.github.com -u ${GITHUB_REPOSITORY%/*} --password-stdin
-        if: github.ref == master
+        if: github.ref == 'master'
 
       - name: Push the Docker container
         run: docker push docker.pkg.github.com/${GITHUB_REPOSITORY,,}/website:latest
-        if: github.ref == master
+        if: github.ref == 'master'