diff --git a/src/lib/modules/blockchain_process/simulator.js b/src/lib/modules/blockchain_process/simulator.js
index bb7c64b4f..64a8afc29 100644
--- a/src/lib/modules/blockchain_process/simulator.js
+++ b/src/lib/modules/blockchain_process/simulator.js
@@ -86,6 +86,10 @@ class Simulator {
 
     if(useProxy){
       let ipcObject = new Ipc({ipcRole: 'client'});
+      if (this.blockchainConfig.wsRPC) {
+        return new Proxy(ipcObject).serve(host, port, true, this.blockchainConfig.wsOrigins, []);
+      }
+
       new Proxy(ipcObject).serve(host, port, false);
     }
   }
diff --git a/src/lib/utils/utils.js b/src/lib/utils/utils.js
index d1138afa0..4d32d39d8 100644
--- a/src/lib/utils/utils.js
+++ b/src/lib/utils/utils.js
@@ -127,7 +127,9 @@ function pingEndpoint(host, port, type, protocol, origin, callback) {
   };
 
   const handleSuccess = (req, closeMethod, event) => {
-    req.once(event, () => { handleEvent(req, closeMethod); });
+    req.once(event, () => { 
+      handleEvent(req, closeMethod); 
+    });
   };
 
   const handleRequest = (req, closeMethod, event) => {
@@ -136,10 +138,8 @@ function pingEndpoint(host, port, type, protocol, origin, callback) {
   };
 
   if (type === 'ws') {
-    const req = new (require('ws'))(
-      `${protocol === 'https' ? 'wss' : 'ws'}://${_host}:${port}/`,
-      origin ? {origin} : {}
-    );
+    const url = `${protocol === 'https' ? 'wss' : 'ws'}://${_host}:${port}/`;
+    const req = new (require('ws'))(url, origin ? {origin} : {});
     handleRequest(req, 'close', 'open');
   } else {
     const headers = origin ? {Origin: origin} : {};