diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 09936820642852b0f9b0949dd6abb40faa94a3bc..50a951202666c2b29a2a9c863f96a2841b9f6356 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -18,7 +18,9 @@ build:
     - cmake ..
     - cmake --build .
     - ctest -j4 -V >& test.log
-    - gzip -9 test.log
+    - gzip -9 -S .gz test.log
+    - ls
+    - pwd
   artifacts:
     paths:
       - build/test.log.gz