diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1e2b643fe1260a9e4e1132f259bf0705cb80f462..e52980fc801bd7c80d3bb38aa1c4d8f58ae6c809 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -1,4 +1,5 @@
-images: "ubuntu:18.04"
+default:
+        image: ubuntu:18.04
 
 stages: 
         - build