diff --git a/lib/outputrequirementslib.php b/lib/outputrequirementslib.php
index a90491516fa59..9522884e745c6 100644
--- a/lib/outputrequirementslib.php
+++ b/lib/outputrequirementslib.php
@@ -395,7 +395,7 @@ protected function find_module($component) {
                 case 'core_filepicker':
                     $module = array('name'     => 'core_filepicker',
                                     'fullpath' => '/repository/filepicker.js',
-                                    'requires' => array('base', 'node', 'node-event-simulate', 'json', 'async-queue', 'io', 'yui2-button', 'yui2-container', 'yui2-layout', 'yui2-menu', 'yui2-treeview', 'yui2-dragdrop', 'yui2-cookie'),
+                                    'requires' => array('base', 'node', 'node-event-simulate', 'json', 'async-queue', 'io-base', 'io-upload-iframe', 'yui2-button', 'yui2-container', 'yui2-layout', 'yui2-menu', 'yui2-treeview', 'yui2-dragdrop', 'yui2-cookie'),
                                     'strings'  => array(array('add', 'repository'), array('back', 'repository'), array('cancel', 'moodle'), array('close', 'repository'),
                                                         array('cleancache', 'repository'), array('copying', 'repository'), array('date', 'repository'), array('downloadsucc', 'repository'),
                                                         array('emptylist', 'repository'), array('error', 'repository'), array('federatedsearch', 'repository'),
diff --git a/repository/filepicker.js b/repository/filepicker.js
index 5d2fa6daf69f1..a5cfc3d5477bd 100644
--- a/repository/filepicker.js
+++ b/repository/filepicker.js
@@ -1171,31 +1171,29 @@ M.core_filepicker.init = function(Y, options) {
                     scope.print_msg(M.str.repository.nofilesattached, 'error');
                     return false;
                 }
-                Y.use('io-upload-iframe', function() {
-                    scope.request({
-                            scope: scope,
-                            action:'upload',
-                            client_id: client_id,
-                            params: {'savepath':scope.options.savepath},
-                            repository_id: scope.active_repo.id,
-                            form: {id: id, upload:true},
-                            callback: function(id, o, args) {
-                                if (scope.options.editor_target&&scope.options.env=='editor') {
-                                    scope.options.editor_target.value=o.url;
-                                    scope.options.editor_target.onchange();
-                                }
-                                scope.hide();
-                                o.client_id = client_id;
-                                var formcallback_scope = null;
-                                if (args.scope.options.magicscope) {
-                                    formcallback_scope = args.scope.options.magicscope;
-                                } else {
-                                    formcallback_scope = args.scope;
-                                }
-                                scope.options.formcallback.apply(formcallback_scope, [o]);
+                scope.request({
+                        scope: scope,
+                        action:'upload',
+                        client_id: client_id,
+                        params: {'savepath':scope.options.savepath},
+                        repository_id: scope.active_repo.id,
+                        form: {id: id, upload:true},
+                        callback: function(id, o, args) {
+                            if (scope.options.editor_target&&scope.options.env=='editor') {
+                                scope.options.editor_target.value=o.url;
+                                scope.options.editor_target.onchange();
                             }
-                    }, true);
-                });
+                            scope.hide();
+                            o.client_id = client_id;
+                            var formcallback_scope = null;
+                            if (args.scope.options.magicscope) {
+                                formcallback_scope = args.scope.options.magicscope;
+                            } else {
+                                formcallback_scope = args.scope;
+                            }
+                            scope.options.formcallback.apply(formcallback_scope, [o]);
+                        }
+                }, true);
             }, this);
         },
         print_header: function() {