diff --git a/tests/build.yml b/tests/build.yml
index 88040160..256e3f73 100644
--- a/tests/build.yml
+++ b/tests/build.yml
@@ -47,5 +47,5 @@ services:
     build: ../core/none
 
   docs:
-    image: mailu/docs:$VERSION
+    image: $DOCKER_ORG/docs:$VERSION
     build: ../docs