diff --git a/routers/web/web.go b/routers/web/web.go
index 0b1b1afcb9..6aee3dbeda 100644
--- a/routers/web/web.go
+++ b/routers/web/web.go
@@ -1226,7 +1226,7 @@ func RegisterRoutes(m *web.Route) {
 		}, repo.MustBeNotEmpty, reqRepoCodeReader, context.RepoRefByType(context.RepoRefTag, true))
 		m.Post("/tags/delete", repo.DeleteTag, reqSignIn,
 			repo.MustBeNotEmpty, context.RepoMustNotBeArchived(), reqRepoCodeWriter, context.RepoRef())
-	}, reqSignIn, context.RepoAssignment, context.UnitTypes())
+	}, ignSignIn, context.RepoAssignment, context.UnitTypes())
 
 	// Releases
 	m.Group("/{username}/{reponame}", func() {