diff --git a/docker-entrypoint.sh b/docker-entrypoint.sh
index 5412a18..c357f47 100644
--- a/docker-entrypoint.sh
+++ b/docker-entrypoint.sh
@@ -3,7 +3,7 @@
 if [ "$1" = 'zammad' ]; then
 
     cd ${ZAMMAD_DIR}
-    rake db:migrate &> /dev/null
+    bundle exec db:migrate &> /dev/null
 
     if [ $? != 0 ]; then
 	echo "creating db & searchindex..."