diff --git a/comfyui_manager/common/git_helper.py b/comfyui_manager/common/git_helper.py
index c8ae6cb2..1897ee20 100644
--- a/comfyui_manager/common/git_helper.py
+++ b/comfyui_manager/common/git_helper.py
@@ -101,7 +101,13 @@ def gitclone(custom_nodes_path, url, target_hash=None, repo_path=None):
         repo_path = os.path.join(custom_nodes_path, repo_name)
 
     # Clone the repository from the remote URL
-    repo = git.Repo.clone_from(url, repo_path, recursive=True, progress=GitProgress())
+    try:
+        repo = git.Repo.clone_from(url, repo_path, recursive=True, progress=GitProgress())
+    except git.GitCommandError as e:
+        print(f"git clone failed for '{url}': {e}", file=sys.stderr)
+        if e.stderr:
+            print(e.stderr, file=sys.stderr)
+        raise
 
     if target_hash is not None:
         print(f"CHECKOUT: {repo_name} [{target_hash}]")