diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 867b529ae..63d8cee71 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -36,6 +36,7 @@ test-mutter:
     XDG_RUNTIME_DIR: "$CI_PROJECT_DIR/runtime-dir"
     GSETTINGS_SCHEMA_DIR: "$CI_PROJECT_DIR/build/data"
     MALLOC_CHECK_: "3"
+    NO_AT_BRIDGE: "1"
   script:
     - mkdir -m 700 $XDG_RUNTIME_DIR
     - glib-compile-schemas $GSETTINGS_SCHEMA_DIR