diff --git a/cmd/dwelling-upload/main.go b/cmd/dwelling-upload/main.go
index e827545..8372e25 100644
--- a/cmd/dwelling-upload/main.go
+++ b/cmd/dwelling-upload/main.go
@@ -52,7 +52,7 @@ func main() {
 
 		if ap.Addr().Is4() {
 			network = "tcp4"
-		} else {
+		} else if ap.Addr().Is6() {
 			network = "tcp6"
 		}
 	}