diff --git a/view/lib/ws-client-es6.js b/view/lib/ws-client-es6.js
index 5d95fe0..bf8a357 100644
--- a/view/lib/ws-client-es6.js
+++ b/view/lib/ws-client-es6.js
@@ -132,8 +132,19 @@ class WSClient{
 			return;
 		}
 
-		/* (3) If all right -> success */
-		this.on_receive(msg_event.data, null);
+		/* (3) Try to JSON parse */
+		var parsedMsg = null;
+		try{
+
+			parsedMsg = JSON.parse(msg_event.data);
+
+		}catch(e){
+			this.on_receive(null, 'JSON error');
+			return;
+		}
+
+		/* (4) If all right -> success */
+		this.on_receive(parsedMsg, null);
 
 	}