diff --git a/src/js/services/blob.js b/src/js/services/blob.js
index 751659178..4946dc5e1 100644
--- a/src/js/services/blob.js
+++ b/src/js/services/blob.js
@@ -178,7 +178,7 @@ module.factory('rpBlob', ['$rootScope', function ($scope)
     });
   };
 
-  BlobObj.prototype.applyUpdate = function (op, path, params) {
+  BlobObj.prototype.applyUpdate = function(op, path, params, callback) {
     // Exchange from numeric op code to string
     if ("number" === typeof op) {
       op = BlobObj.opsReverseMap[op];
@@ -197,8 +197,11 @@ module.factory('rpBlob', ['$rootScope', function ($scope)
 
     this._traverse(this.data, pointer, path, op, params);
 
-    this.persist(function(){
+    this.persist(function(err, data) {
       console.log('Blob saved');
+      if (typeof callback === 'function') {
+        callback(err, data);
+      }
     });
   };
 
@@ -298,7 +301,7 @@ module.factory('rpBlob', ['$rootScope', function ($scope)
    * This method adds an entry to the beginning of an array.
    */
   BlobObj.prototype.unshift = function (pointer, value, callback) {
-    this.applyUpdate('unshift', pointer, [value]);
+    this.applyUpdate('unshift', pointer, [value], callback);
   };
 
   function normalizeSubcommands(subcommands, compress) {
diff --git a/src/js/tabs/send.js b/src/js/tabs/send.js
index a2a2196f1..136f02a01 100644
--- a/src/js/tabs/send.js
+++ b/src/js/tabs/send.js
@@ -809,7 +809,7 @@ SendTab.prototype.angular = function (module)
       }
     };
 
-    $scope.saveAddress = function () {
+    $scope.saveAddress = function() {
       $scope.addressSaving = true;
 
       var contact = {
@@ -818,7 +818,8 @@ SendTab.prototype.angular = function (module)
         address: $scope.send.recipient_address
       };
 
-      $scope.userBlob.unshift('/contacts', contact, function(err, data){
+      $scope.userBlob.unshift('/contacts', contact, function(err, data) {
+        $scope.addressSaving = false;
         if (err) {
           console.log("Can't save the contact. ", err);
           return;
@@ -829,7 +830,7 @@ SendTab.prototype.angular = function (module)
       });
     };
 
-    $scope.$on("$destroy", function () {
+    $scope.$on("$destroy", function() {
       // Stop pathfinding if the user leaves the tab
       if ($scope.send.pathfind) {
         $scope.send.pathfind.close();