diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 789f2570124b91c7749ccea232d6229e8ef33646..b15ec7f89277f41785d608a4a278fa361b59c180 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -21,7 +21,7 @@ default:
 ### VARIABLES
 
 variables:
-  DEFAULT: "stable/nickel"
+  DEFAULT: "master"
   OCAML: "4.13"
   PUBLISH: "no"
   RELEASE: "no"