diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 4aa9388b0f..6454ac1346 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -21,6 +21,6 @@ before_script:
 build:
   stage: build
   script:
-    - meson -Denable-x11-backend=true -Denable-wayland-backend=true -Denable-broadway-backend=true -Denable-vulkan=true _build_full
+    - meson -Denable-x11-backend=true -Denable-wayland-backend=true -Denable-broadway-backend=true -Denable-vulkan=yes _build_full
     - cd _build_full
     - ninja