diff --git a/.github/docker/entrypoint.sh b/.github/docker/entrypoint.sh
index 2f35b10a4..653c3e4ba 100644
--- a/.github/docker/entrypoint.sh
+++ b/.github/docker/entrypoint.sh
@@ -52,7 +52,7 @@ crond -L /var/log/crond -l 5
 export SUPERVISORD_CADDY=false
 
 ## disable caddy if SKIP_CADDY is set
-if [[ "$SKIP_CADDY:-" == "true" ]];
+if [[ "${SKIP_CADDY:-}" == "true" ]]; then
   echo "Starting PHP-FPM only"
 else
   echo "Starting PHP-FPM and Caddy"