diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 3571d5622e..4c4d4d4242 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -505,11 +505,13 @@ tarball-create:
     - autoreconf -fi
     - ./configure --enable-maintainer-mode
     - make -j${BUILD_PARALLEL_JOBS:-1} all V=1
-    - if test "$(git status --porcelain | grep -Ev '\?\?' | wc -l)" -gt "0"; then git status --short; exit 1; fi
+    - if test "$(git status --porcelain | grep -Ev '\?\?' | wc -l)" -gt "0"; then git status --short; git diff > diff.patch; exit 1; fi
     - make -j${BUILD_PARALLEL_JOBS:-1} dist V=1
   artifacts:
     paths:
+      - diff.patch
       - bind-*.tar.${TARBALL_EXTENSION}
+    when: always
   needs:
     - job: autoreconf
       artifacts: true