diff --git a/models/perm/access/repo_permission.go b/models/perm/access/repo_permission.go
index 7de40e88c2..df0440f893 100644
--- a/models/perm/access/repo_permission.go
+++ b/models/perm/access/repo_permission.go
@@ -32,7 +32,8 @@ type Permission struct {
 	units     []*repo_model.RepoUnit
 	unitsMode map[unit.Type]perm_model.AccessMode
 
-	everyoneAccessMode map[unit.Type]perm_model.AccessMode
+	everyoneAccessMode  map[unit.Type]perm_model.AccessMode // the unit's minimal access mode for every signed-in user
+	anonymousAccessMode map[unit.Type]perm_model.AccessMode // the unit's minimal access mode for anonymous (non-signed-in) user
 }
 
 // IsOwner returns true if current user is the owner of repository.