diff --git a/infra/values/base/gitea-values.yaml b/infra/values/base/gitea-values.yaml
index e322a4b..2bc7fbb 100644
--- a/infra/values/base/gitea-values.yaml
+++ b/infra/values/base/gitea-values.yaml
@@ -41,6 +41,7 @@ gitea:
     oauth2:
       ENABLED: true
       ENABLE_AUTO_REGISTRATION: true
+      ACCOUNT_LINKING: auto
       USERNAME: email
 
     session: