diff --git a/.gitlab-ci/build/gitlab-ci.yml b/.gitlab-ci/build/gitlab-ci.yml
index 98c89ef8fb3..8e9b0b79867 100644
--- a/.gitlab-ci/build/gitlab-ci.yml
+++ b/.gitlab-ci/build/gitlab-ci.yml
@@ -228,6 +228,7 @@ debian-build-testing:
       -D egl=enabled
       -D glvnd=disabled
       -D platforms=x11,wayland
+      -D legacy-x11=dri2
     GALLIUM_ST: >
       -D gallium-extra-hud=true
       -D gallium-vdpau=enabled