diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 789f361ee76e3eb327a118f8b015f1882275fd88..2d763fbd8be467c230417270bac24788ed06a0e7 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -35,7 +35,7 @@ stages:
 
   # configure git
   - if [ `git rev-parse --verify ci_processing 2>/dev/null` ]; then
-  -   git branch -delete ci_processing
+  -   git branch --delete ci_processing
   - fi
   - export CI_NEW_BRANCH=ci_processing
   - echo creating new temporary branch... $CI_NEW_BRANCH