diff --git a/docker-updater.sh b/docker-updater.sh
index 9f9e0d7..cec378f 100644
--- a/docker-updater.sh
+++ b/docker-updater.sh
@@ -54,7 +54,7 @@ fi
 for folder in */; do
     cd $folder
 
-    DOCKER_RUNNING = $(docker-compose ps -q)
+    DOCKER_RUNNING=$(docker-compose ps -q)
 
     if [ -n "$DOCKER_RUNNING" ]; then
         echo "[$folder] Stopping Docker containers"