diff --git a/debian/gitlab-ci.yml b/debian/gitlab-ci.yml
index 552551ae06b3538c4e5b12198ca5070c6e5f6204..5cb6f7d651f76f26a478b9daad717a1746faaaa7 100644
--- a/debian/gitlab-ci.yml
+++ b/debian/gitlab-ci.yml
@@ -64,7 +64,7 @@ build:devel:
             ${STEAM_RUNTIME_TOOLS_GIT_REPO} \
             subprojects/steam-runtime-tools
 
-            meson --werror _build
+            meson --werror -Dman=true _build
             ninja -C _build
             ninja -C _build install
             meson test --verbose -C _build