diff --git a/config.sh b/config.sh
index 82685b2954eb7b06d58c304e197cea0ac18ea6bc..b811d560fba6503041727e4d9d32ae9ef374fe71 100755
--- a/config.sh
+++ b/config.sh
@@ -44,7 +44,7 @@ NOVNC_DIR=novnc
 NOVNC_URL="$GIT_URL$NOVNC_DIR".git
 if [ "$USE_NOVNC" == "true" ]; then
 novnc_compose_file=" -f novnc/docker-compose.yml "
-DOCKER_COMPOSE_FILES+=$"$novnc_compose_file"
+DOCKER_COMPOSE_FILES+="$novnc_compose_file"
 fi
 
 # Mumble
@@ -52,6 +52,6 @@ MUMBLE_DIR=build-mumble-web
 MUMBLE_URL=https://github.com/Johni0702/mumble-web.git
 if [ "$USE_MUMBLE" == "true" ]; then
 mumble_compose_file=" -f build-mumble-web/docker-compose.production.yml"
-DOCKER_COMPOSE_FILES+=$"$mumble_compose_file"
+DOCKER_COMPOSE_FILES+="$mumble_compose_file"
 SUB_DOMAINS+="mumble-web"
 fi
diff --git a/tools/update_containers.sh b/tools/update_containers.sh
index 06743825b9f2e2d4a6c8278d83483218777440a7..24d74507da09d7bd906b4fd96c38e385639931e7 100755
--- a/tools/update_containers.sh
+++ b/tools/update_containers.sh
@@ -15,10 +15,10 @@ echo ""
 
 # Build new images if neccessary
 if [ "$USE_MUMBLE" == "true" ]; then
-    docker-compose -f "$mumble_compose_file" build
+    docker-compose "$mumble_compose_file" build
 fi
 
 if [ "$USE_NOVNC" == "true" ]; then
-    docker-compose -f "$novnc_compose_file" build 
+    docker-compose "$novnc_compose_file" build 
 fi