diff --git a/keyserver/internal/cross_signing.go b/keyserver/internal/cross_signing.go
index 017f1c0f3..0fc31cba7 100644
--- a/keyserver/internal/cross_signing.go
+++ b/keyserver/internal/cross_signing.go
@@ -64,6 +64,7 @@ func sanityCheckKey(key gomatrixserverlib.CrossSigningKey, userID string, purpos
 	return nil
 }
 
+// nolint:gocyclo
 func (a *KeyInternalAPI) PerformUploadDeviceKeys(ctx context.Context, req *api.PerformUploadDeviceKeysRequest, res *api.PerformUploadDeviceKeysResponse) {
 	var masterKey gomatrixserverlib.Base64Bytes
 	hasMasterKey := false