diff --git a/src/nailab/ui/applicationwindow.py b/src/nailab/ui/applicationwindow.py
index 274b64d..4bf42ee 100644
--- a/src/nailab/ui/applicationwindow.py
+++ b/src/nailab/ui/applicationwindow.py
@@ -20,6 +20,7 @@ class ApplicationWindow:
                 'on_ApplicationWindow_delete_event' : Gtk.main_quit,
                 'on_OpenFile' : self.open_file,
                 'on_menuSave' : self.save_file,
+                'on_menuSaveAs' : self.save_file_as,
                 'on_StrategyExecute' : self.strategy_execute
                 }
 
@@ -40,6 +41,17 @@ class ApplicationWindow:
     def save_file(self, arg):
         self.tab_manager.save_current()
 
+    def save_file_as(self, arg):
+        dlg = Gtk.FileChooserDialog('Save file', self.window, Gtk.FileChooserAction.SAVE,
+                (Gtk.STOCK_CANCEL, Gtk.ResponseType.CANCEL,
+                 Gtk.STOCK_SAVE, Gtk.ResponseType.OK))
+        result = dlg.run()
+
+        if result == Gtk.ResponseType.OK:
+            self.tab_manager.save_current_as(dlg.get_filename())
+
+        dlg.destroy()
+
     def strategy_execute(self, arg):
         sel = self.tv_datasources.get_selection()
         model, rows = sel.get_selected_rows()
diff --git a/src/nailab/ui/tabmanager.py b/src/nailab/ui/tabmanager.py
index 8f9fec7..f22f669 100644
--- a/src/nailab/ui/tabmanager.py
+++ b/src/nailab/ui/tabmanager.py
@@ -87,7 +87,14 @@ class TabManager(GObject.Object):
                 with open(self.source_paths[k], 'w') as f:
                     f.write(text)
 
-
+    def save_current_as(self, path):
+        index = self.notebook.get_current_page()
+        w = self.notebook.get_nth_page(index)
+        for k, v in self.widgets.items():
+            if v == w:
+                text = self.source_controllers[k].get_source_text()
+                with open(path, 'w') as f:
+                    f.write(text)
 
     def _init_sourceeditor(self):
         scroll = Gtk.ScrolledWindow()
diff --git a/ui/nailab.glade b/ui/nailab.glade
index c83d92e..ee02885 100644
--- a/ui/nailab.glade
+++ b/ui/nailab.glade
@@ -125,12 +125,13 @@
                       </object>
                     </child>
                     <child>
-                      <object class="GtkImageMenuItem" id="imagemenuitem24">
+                      <object class="GtkImageMenuItem" id="menuSaveAs">
                         <property name="label">gtk-save-as</property>
                         <property name="visible">True</property>
                         <property name="can_focus">False</property>
                         <property name="use_underline">True</property>
                         <property name="use_stock">True</property>
+                        <signal name="activate" handler="on_menuSaveAs" swapped="no"/>
                       </object>
                     </child>
                     <child>