diff --git a/dom/system/gonk/RadioInterfaceLayer.js b/dom/system/gonk/RadioInterfaceLayer.js
index fa87d771cdf6..3f90f87058c2 100644
--- a/dom/system/gonk/RadioInterfaceLayer.js
+++ b/dom/system/gonk/RadioInterfaceLayer.js
@@ -34,6 +34,7 @@ const nsIRadioInterfaceLayer = Ci.nsIRadioInterfaceLayer;
 
 const kNetworkInterfaceStateChangedTopic = "network-interface-state-changed";
 const kSmsReceivedObserverTopic          = "sms-received";
+const kSmsSentObserverTopic              = "sms-sent";
 const kSmsDeliveredObserverTopic         = "sms-delivered";
 const kMozSettingsChangedObserverTopic   = "mozsettings-changed";
 const kSysMsgListenerReadyObserverTopic  = "system-message-listener-ready";
@@ -1018,6 +1019,8 @@ RadioInterfaceLayer.prototype = {
     }
 
     gSmsRequestManager.notifySmsSent(options.requestId, sms);
+
+    Services.obs.notifyObservers(options.sms, kSmsSentObserverTopic, null);
   },
 
   handleSmsDelivered: function handleSmsDelivered(message) {