diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index ce40628e1..054fdcd45 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -28,7 +28,7 @@ publish:
   only:
   - develop
   script:
-  - find -type d -name "siacs" -exec sh -c 'mv $0 ${0/siacs/sum7}' {} \;
+  - find -type d -name "siacs" -exec bash -c 'mv $0 ${0/siacs/sum7}' {} \;
   - find -type f -name "*.xml" -or -name "*.java" -exec sed -i "/eu.siacs.conversations.axolotl/! s/eu.siacs./eu.sum7./" "{}" \;
   - sed -i "/eu.siacs.conversations.axolotl/! s/eu.siacs./eu.sum7./" "proguard-rules.pro"
   # workaround for bug in fdroid nightly