diff --git a/src/views/app.js b/src/views/app.js
index 47b45000d..07e733816 100644
--- a/src/views/app.js
+++ b/src/views/app.js
@@ -728,7 +728,7 @@ angular.module('Application').controller('AppController', ['$scope', '$location'
             $scope.storage.busyDataDir = true;
             $scope.storage.error = {};
 
-            Client.configureApp($scope.app.id, 'data_dir', { dataDir: $scope.storage.dataDir || null }, function (error) {
+            Client.configureApp($scope.app.id, 'storage', { dataDir: $scope.storage.dataDir || null }, function (error) {
                 if (error && error.statusCode === 400) {
                     $scope.storage.error.dataDir = error.message;
                     $scope.storage.busyDataDir = false;