diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 1f52c75ff..03455eea0 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -186,7 +186,7 @@ build:
         - meson mutter mutter/build --prefix=/usr -Dtests=false
         - ninja -C mutter/build install
     script:
-        - meson . build -Dbuiltype=debugoptimized -Dman=false --werror
+        - meson . build -Dbuildtype=debugoptimized -Dman=false --werror
         - ninja -C build
         - ninja -C build install
     artifacts: