diff --git a/internal/registry/inmemory/inmemory_test.go b/internal/registry/inmemory/inmemory_test.go
index 16c3f8093..e42581523 100644
--- a/internal/registry/inmemory/inmemory_test.go
+++ b/internal/registry/inmemory/inmemory_test.go
@@ -215,7 +215,7 @@ func (l serviceList) Less(i, j int) bool {
 	return l[i].Kind < l[j].Kind
 }
 
-func (l serviceList) Swap(i, j int) { t := l[i]; l[i] = l[j]; l[j] = t }
+func (l serviceList) Swap(i, j int) { l[i], l[j] = l[j], l[i] }
 
 func assertEqual(t *testing.T, want, got []*pb.Service) {
 	t.Helper()