diff --git a/models/peer/peer_cache.go b/models/peer/peer_cache.go
index 6f8debc..545a3ae 100644
--- a/models/peer/peer_cache.go
+++ b/models/peer/peer_cache.go
@@ -34,14 +34,13 @@ func (p *PeerCache) urlFormat(url string, dt utils.DataType) string {
 	// localhost is replaced by the local peer URL
 	// because localhost must collide on a web request security protocol
 	if strings.Contains(url, "localhost") || strings.Contains(url, "127.0.0.1") {
-		url = strings.ReplaceAll(url, "localhost", dt.API())
-		url = strings.ReplaceAll(url, "127.0.0.1", dt.API())
 		r := regexp.MustCompile("(:[0-9]+)")
 		t := r.FindString(url)
 		if t != "" {
-			url = strings.Replace(url, t, ":8080", -1)
+			url = strings.Replace(url, t, "", -1)
 		}
-		r.ReplaceAllString(url, ":8080")
+		url = strings.ReplaceAll(url, "localhost", dt.API()+":8080")
+		url = strings.ReplaceAll(url, "127.0.0.1", dt.API()+":8080")
 	}
 	return url
 }