diff --git a/seahub/notifications/management/commands/notify_admins_on_virus.py b/seahub/notifications/management/commands/notify_admins_on_virus.py
index e3ddd1cb24..3d6074e5e8 100644
--- a/seahub/notifications/management/commands/notify_admins_on_virus.py
+++ b/seahub/notifications/management/commands/notify_admins_on_virus.py
@@ -75,7 +75,7 @@ class Command(BaseCommand):
             )
 
     def email_repo_owner(self, repo_file):
-        repo_id, file_path = repo_file.split(':')
+        repo_id, file_path = repo_file.split(':', 1)
         owner = seafile_api.get_repo_owner(repo_id)
         if not owner:
             return