diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index bae84aa..bf47a26 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -37,7 +37,7 @@ test-docker-ubuntu:
   after_script:
     - cd ubuntu
     - docker-compose rm -sfv
-    - docker run -i -t -v $(pwd):/cleandir -w /cleandir alpine rm -rf "/cleandir/data/*"
+    - docker run -i -v $(pwd):/cleandir -w /cleandir alpine rm -rf "/cleandir/data/*"
 
 after_script:
   - docker container prune -f