diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 2c2f73f40..c021f4ab8 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -98,6 +98,8 @@ backend dependencies:
         - .stack
         - .stack-work
   script:
+    - cat /etc/locale.conf
+    - echo ${LC_ALL} ${LANG}
     - make backend-dependencies
   before_script: *nix-before
   artifacts: