diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index b01d510..967ba28 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -42,7 +42,7 @@ jobs:
             --workspace_status_command hack/workspace_status.sh
 
       - name: Publish Dev Container Image
-        when: github.ref == refs/heads/main
+        if: github.ref == refs/heads/main
         run: |
           "${GITHUB_WORKSPACE}/bin/bazel" run \
             --stamp \