diff --git a/swh/lister/gitea/lister.py b/swh/lister/gitea/lister.py
--- a/swh/lister/gitea/lister.py
+++ b/swh/lister/gitea/lister.py
@@ -35,7 +35,7 @@
     def get_model_from_repo(self, repo: Dict[str, Any]) -> Dict[str, Any]:
         return {
             "instance": self.instance,
-            "uid": repo["id"],
+            "uid": f"{self.instance}/{id}",
             "name": repo["name"],
             "full_name": repo["full_name"],
             "html_url": repo["html_url"],
@@ -43,9 +43,6 @@
             "origin_type": "git",
         }
 
-    def uid(self, id: str) -> str:
-        return f"{self.instance}/{id}"
-
     def get_next_target_from_response(self, response: Response) -> Optional[int]:
         """Determine the next page identifier.
 
diff --git a/swh/lister/gitea/models.py b/swh/lister/gitea/models.py
--- a/swh/lister/gitea/models.py
+++ b/swh/lister/gitea/models.py
@@ -2,7 +2,7 @@
 # License: GNU General Public License version 3, or any later version
 # See top-level LICENSE file for more information
 
-from sqlalchemy import Column, Integer, String
+from sqlalchemy import Column, String
 
 from ..core.models import ModelBase
 
@@ -14,5 +14,5 @@
 
     __tablename__ = "gitea_repo"
 
-    uid = Column(Integer, primary_key=True)
+    uid = Column(String, primary_key=True)
     instance = Column(String, index=True)