diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 636c8c02a2a9f5fb7abda19256542264e4680919..4db3503f256b38696e49dc1c0938250216ccb113 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -29,7 +29,7 @@ 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