diff --git a/server.go b/server.go
index 9abc936..c0dec28 100644
--- a/server.go
+++ b/server.go
@@ -134,7 +134,7 @@ func NewGrpcClientManager(addr uint, id string, middleware ...SignalingClientMan
 }
 
 func NewGrpcConn(addr string, id string) (conn grpc.ClientConnInterface, signalingClient SignalingServiceClient, signalingLinkClient SignalingService_LinkClient, err error) {
-	res, err := http.Get("https://zippytal.com/certificate")
+	res, err := http.Get("https://dev.zippytal.com/certificate")
 	if err != nil {
 		return
 	}