diff --git a/openhands/resolver/send_pull_request.py b/openhands/resolver/send_pull_request.py
index 384b440b70..15214d4c0d 100644
--- a/openhands/resolver/send_pull_request.py
+++ b/openhands/resolver/send_pull_request.py
@@ -584,6 +584,12 @@ def main() -> None:
     parser = argparse.ArgumentParser(
         description='Send a pull request to Github or Gitlab.'
     )
+    parser.add_argument(
+        '--selected-repo',
+        type=str,
+        default=None,
+        help='repository to send pull request in form of `owner/repo`.',
+    )
     parser.add_argument(
         '--token',
         type=str,
@@ -677,7 +683,7 @@ def main() -> None:
         )
     username = my_args.username if my_args.username else os.getenv('GIT_USERNAME')
 
-    platform = identify_token(token, None, my_args.base_domain)
+    platform = identify_token(token, my_args.selected_repo, my_args.base_domain)
     if platform == Platform.INVALID:
         raise ValueError('Token is invalid.')
 
diff --git a/openhands/resolver/utils.py b/openhands/resolver/utils.py
index 4552e9e951..09ff505dd6 100644
--- a/openhands/resolver/utils.py
+++ b/openhands/resolver/utils.py
@@ -21,7 +21,7 @@ class Platform(Enum):
 
 
 def identify_token(
-    token: str, selected_repo: str | None = None, base_domain: str = 'github.com'
+    token: str, selected_repo: str | None = None, base_domain: str | None = 'github.com'
 ) -> Platform:
     """
     Identifies whether a token belongs to GitHub or GitLab.
@@ -37,7 +37,7 @@ def identify_token(
              "Invalid" if the token is not recognized by either.
     """
     # Determine GitHub API base URL based on domain
-    if base_domain == 'github.com':
+    if base_domain is None or base_domain == 'github.com':
         github_api_base = 'https://api.github.com'
     else:
         github_api_base = f'https://{base_domain}/api/v3'
diff --git a/tests/unit/resolver/github/test_send_pull_request.py b/tests/unit/resolver/github/test_send_pull_request.py
index 2540fd47eb..84010b47b8 100644
--- a/tests/unit/resolver/github/test_send_pull_request.py
+++ b/tests/unit/resolver/github/test_send_pull_request.py
@@ -1249,6 +1249,7 @@ def test_main(
     mock_args.target_branch = None
     mock_args.reviewer = None
     mock_args.pr_title = None
+    mock_args.selected_repo = None
     mock_parser.return_value.parse_args.return_value = mock_args
 
     # Setup environment variables
diff --git a/tests/unit/resolver/gitlab/test_gitlab_send_pull_request.py b/tests/unit/resolver/gitlab/test_gitlab_send_pull_request.py
index 2f88984be2..08d6d2bedb 100644
--- a/tests/unit/resolver/gitlab/test_gitlab_send_pull_request.py
+++ b/tests/unit/resolver/gitlab/test_gitlab_send_pull_request.py
@@ -1151,6 +1151,7 @@ def test_main(
     mock_args.target_branch = None
     mock_args.reviewer = None
     mock_args.pr_title = None
+    mock_args.selected_repo = None
     mock_parser.return_value.parse_args.return_value = mock_args
 
     # Setup environment variables