diff --git a/.github/workflows/submodule_sync.yml b/.github/workflows/submodule_sync.yml
index 8093037..d3b7e93 100644
--- a/.github/workflows/submodule_sync.yml
+++ b/.github/workflows/submodule_sync.yml
@@ -27,7 +27,7 @@ jobs:
           git submodule foreach --recursive "\
             if [ -n \"\$(git status --porcelain)\" ]; then \
               git switch -c $CURRENT_TIMESTAMP-submodule-sync && \
-              git commit -am "submodule sync at $CURRENT_TIMESTAMP" && \
+              git commit -am \"submodule sync at $CURRENT_TIMESTAMP\" && \
               git push origin $CURRENT_TIMESTAMP-submodule-sync; \
             else \
               echo 'No changes to commit in submodule'; \