diff --git a/b2g/app/b2g.js b/b2g/app/b2g.js
index d4086cb05657..bdc22d8f6350 100644
--- a/b2g/app/b2g.js
+++ b/b2g/app/b2g.js
@@ -395,6 +395,8 @@ pref("services.push.serverURL", "");
 pref("services.push.userAgentID", "");
 // exponential back-off start is 5 seconds like in HTTP/1.1
 pref("services.push.retryBaseInterval", 5000);
+// WebSocket level ping transmit interval in seconds.
+pref("services.push.websocketPingInterval", 55);
 // exponential back-off end is 20 minutes
 pref("services.push.maxRetryInterval", 1200000);
 // How long before a DOMRequest errors as timeout
diff --git a/dom/push/src/PushService.js b/dom/push/src/PushService.js
index 7651e4d05c04..92455a63daf3 100644
--- a/dom/push/src/PushService.js
+++ b/dom/push/src/PushService.js
@@ -567,6 +567,7 @@ PushService.prototype = {
     debug("serverURL: " + uri.spec);
     this._wsListener = new PushWebSocketListener(this);
     this._ws.protocol = "push-notification";
+    this._ws.pingInterval = this._prefs.get("websocketPingInterval");
     this._ws.asyncOpen(uri, serverURL, this._wsListener, null);
     this._currentState = STATE_WAITING_FOR_WS_START;
   },