diff --git a/helper b/helper
index ae1d9e7..3752c9b 100644
--- a/helper
+++ b/helper
@@ -228,8 +228,12 @@ git_clone_if_missing() {
     local target_dir="$2"
 
     [[ -d "$target_dir/.git" ]] && return
+
     echo "Cloning repository $repo into $target_dir..."
-    git clone --quiet --branch main "$repo" "$target_dir"
+    if ! git clone --quiet --branch main "$repo" "$target_dir"; then
+        echo "Error: Failed to clone repository $repo"
+        exit 1
+    fi
 }
 
 #