diff --git a/tools/update_containers.sh b/tools/update_containers.sh
index 24d74507da09d7bd906b4fd96c38e385639931e7..139bd942a52b152a2ce7f3edd63d5b6b07ba2cff 100755
--- a/tools/update_containers.sh
+++ b/tools/update_containers.sh
@@ -8,17 +8,17 @@ echo "Pulling images"
 echo ""
 
 # pull updated images 
-docker-compose "$docker_compose_files" pull
+docker-compose $docker_compose_files pull
 
 echo "Building images"
 echo ""
 
 # Build new images if neccessary
 if [ "$USE_MUMBLE" == "true" ]; then
-    docker-compose "$mumble_compose_file" build
+    docker-compose $mumble_compose_file build
 fi
 
 if [ "$USE_NOVNC" == "true" ]; then
-    docker-compose "$novnc_compose_file" build 
+    docker-compose $novnc_compose_file build 
 fi