diff --git a/Makefile b/Makefile
index aab0f1d38792bca6ca38f0611481f0c50563be27..47f0b9eca13573bb8780e2535570ca338fa5f69c 100644
--- a/Makefile
+++ b/Makefile
@@ -23,7 +23,7 @@ init-dev-config:
 	cp src/environments/environment.dev.ts src/environments/environment.ts
 
 copy-packages:
-	mkdir node_modules
+	mkdir -p node_modules
 	docker cp testcenter-frontend-dev:/app/node_modules/. node_modules
 
 # Use parameter packages=<package-name> to install new package