diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index eb77a97587b1b495738173e35ebb29c3588ac59e..df5973454b1ad09b4d80005a354a5d266d78c8d5 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -26,10 +26,12 @@
 services:
   - name: debian:stretch
     alias: debian
-    command: sleep 60
+    command: 
+      - sleep 60
   - name: hello-world:latest
     alias: hello
-    command: sleep 60
+    command: 
+      - sleep 60
 
 test:
   script: