diff --git a/playbooks/proposal/propose_update.sh b/playbooks/proposal/propose_update.sh
index 288f1e74b0..7660f9c009 100755
--- a/playbooks/proposal/propose_update.sh
+++ b/playbooks/proposal/propose_update.sh
@@ -176,7 +176,7 @@ for PROJECT in $PROJECTS; do
         pushd $PROJECT_DIR
         if ! git diff --stat --exit-code HEAD ; then
             # Commit and review
-            git_args="-a -F- -s --trailer='Generated-By:openstack/project-config:playbooks/proposal/propose_update.sh'"
+            git_args="-a -F- -s --trailer=Generated-By:openstack/project-config:playbooks/proposal/propose_update.sh"
             git commit $git_args <<EOF
 $COMMIT_MSG
 EOF