diff --git a/backend/app/repositories/user_repository.py b/backend/app/repositories/user_repository.py
index e876450..9ef63db 100755
--- a/backend/app/repositories/user_repository.py
+++ b/backend/app/repositories/user_repository.py
@@ -42,6 +42,10 @@ class UserRepository:
         """Get existing user or create new one from Azure AD claims."""
         user = await self.get_by_azure_oid(azure_ad_oid)
         if user:
+            # Sync email from Azure AD if not yet stored
+            if not user.email and email:
+                user.email = email
+                await self.session.flush()
             return user
 
         # Create new user