diff --git a/script/fork_project_ERPLibre.py b/script/fork_project_ERPLibre.py
index 6b41317..dbd198e 100644
--- a/script/fork_project_ERPLibre.py
+++ b/script/fork_project_ERPLibre.py
@@ -39,6 +39,8 @@ def get_config():
                         help="Ignore fork to generate only manifest.")
     parser.add_argument('-f', "--force", action="store_true",
                         help="Force rewrite remote.")
+    parser.add_argument("--fast", action="store_true",
+                        help="Ignore if repo already exist.")
     parser.add_argument('--github_token', dest="github_token",
                         default=config.get(CST_EL_GITHUB_TOKEN),
                         help="GitHub token generated by user")
@@ -69,6 +71,8 @@ def main():
         for repo in lst_repo:
             i += 1
             print(f"Nb element {i}/{total} - {repo.get('project_name')}")
+            if config.fast and repo.get("is_submodule") and os.path.isdir(repo.get("path")):
+                continue
             url = repo.get("url")
 
             try: