diff --git a/grapheneapi/grapheneclient.py b/grapheneapi/grapheneclient.py
index 5bf1f4b2..b7bbfb78 100644
--- a/grapheneapi/grapheneclient.py
+++ b/grapheneapi/grapheneclient.py
@@ -364,7 +364,7 @@ def __init__(self, config):
                                  self.wallet_user,
                                  self.wallet_password)
 
-            core_asset = self.rpc.get_object("1.3.0")[0]
+            self.core_asset = self.rpc.get_object("1.3.0")[0]
 
         # Connect to Witness Node
         if "witness_url" in available_features:
@@ -446,16 +446,16 @@ def __init__(self, config):
                     {"registered-network-broadcast":
                      config.onRegisterNetworkBroadcast})
 
-            core_asset = self.ws.get_object("1.3.0")
+            self.core_asset = self.ws.get_object("1.3.0")
 
-        if not core_asset :
+        if not self.core_asset :
             raise Exception("Neither WS nor RPC propery configured!")
 
-        if core_asset["symbol"] == "BTS" :
+        if self.core_asset["symbol"] == "BTS" :
             self.prefix = "BTS"
-        elif core_asset["symbol"] == "MUSE" :
+        elif self.core_asset["symbol"] == "MUSE" :
             self.prefix = "MUSE"
-        elif core_asset["symbol"] == "CORE" :
+        elif self.core_asset["symbol"] == "CORE" :
             self.prefix = "GPH"
 
     """ Get network configuration
diff --git a/grapheneapi/graphenewsrpc.py b/grapheneapi/graphenewsrpc.py
index 5aff5c49..5b7f9d0b 100644
--- a/grapheneapi/graphenewsrpc.py
+++ b/grapheneapi/graphenewsrpc.py
@@ -1,5 +1,7 @@
+import threading
 from websocket import create_connection
 import json
+import time
 
 
 class RPCError(Exception):
@@ -41,6 +43,20 @@ def __init__(self, url, user="", password=""):
         self.api_id["database"] = self.database(api_id=1)
         self.api_id["history"] = self.history(api_id=1)
         self.api_id["network_broadcast"] = self.network_broadcast(api_id=1)
+        # self.enable_pings()
+
+    def _send_ping(self, interval, event):
+        while not event.wait(interval):
+            self.last_ping_tm = time.time()
+            if self.sock:
+                self.sock.ping()
+
+    def enable_pings(self):
+        event = threading.Event()
+        ping_interval = 30
+        thread = threading.Thread(target=self._send_ping, args=(ping_interval, event))
+        thread.setDaemon(True)
+        thread.start()
 
     def get_call_id(self):
         """ Get the ID for the next RPC call """