--- a/dom/system/gonk/NetworkUtils.cpp
+++ b/dom/system/gonk/NetworkUtils.cpp
@@ -245,17 +245,18 @@ const CommandFunc NetworkUtils::sNetwork
 
 const CommandFunc NetworkUtils::sNetworkInterfaceSetAlarmChain[] = {
   NetworkUtils::setAlarm,
   NetworkUtils::networkInterfaceAlarmSuccess
 };
 
 const CommandFunc NetworkUtils::sSetDnsChain[] = {
   NetworkUtils::setDefaultInterface,
-  NetworkUtils::setInterfaceDns
+  NetworkUtils::setInterfaceDns,
+  NetworkUtils::setDnsSuccess,
 };
 
 /**
  * Helper function to get the mask from given prefix length.
  */
 static uint32_t makeMask(const uint32_t prefixLength)
 {
   uint32_t mask = 0;
@@ -1047,16 +1048,24 @@ void NetworkUtils::networkInterfaceAlarm
                                                 NetworkResultOptions& aResult)
 {
   // TODO : error is not used , and it is conflict with boolean type error.
   // params.error = parseFloat(params.resultReason);
   postMessage(aChain->getParams(), aResult);
   finalizeSuccess(aChain, aResult);
 }
 
+void NetworkUtils::setDnsSuccess(CommandChain* aChain,
+                                 CommandCallback aCallback,
+                                 NetworkResultOptions& aResult)
+{
+  postMessage(aChain->getParams(), aResult);
+  finalizeSuccess(aChain, aResult);
+}
+
 void NetworkUtils::updateUpStreamFail(NetworkParams& aOptions, NetworkResultOptions& aResult)
 {
   postMessage(aOptions, aResult);
 }
 
 void NetworkUtils::updateUpStreamSuccess(CommandChain* aChain,
                                          CommandCallback aCallback,
                                          NetworkResultOptions& aResult)

--- a/dom/system/gonk/NetworkUtils.h
+++ b/dom/system/gonk/NetworkUtils.h
@@ -313,16 +313,17 @@ private:
   static void setDefaultInterface(PARAMS);
   static void setInterfaceDns(PARAMS);
   static void wifiTetheringSuccess(PARAMS);
   static void usbTetheringSuccess(PARAMS);
   static void networkInterfaceAlarmSuccess(PARAMS);
   static void updateUpStreamSuccess(PARAMS);
   static void setDhcpServerSuccess(PARAMS);
   static void wifiOperationModeSuccess(PARAMS);
+  static void setDnsSuccess(PARAMS);
 #undef PARAMS
 
   /**
    * Error callback function executed when a command is fail.
    */
 #define PARAMS NetworkParams& aOptions, \
                mozilla::dom::NetworkResultOptions& aResult
   static void wifiTetheringFail(PARAMS);