diff --git a/src/bin/init.sh b/src/bin/init.sh
index 5f55483..9c78a9d 100644
--- a/src/bin/init.sh
+++ b/src/bin/init.sh
@@ -44,7 +44,7 @@ if [ ! -d "${GIT_WEBHOOK_BASE_FOLDER}" ]; then
 fi;
 
 # branch name not set
-if [ -n "${BRANCH}" ]; then
+if [ -z "${BRANCH}" ]; then
 	echo "[!] No branch name given";
 	error=1;
 fi;