--- a/src/hugin1/hugin/xrc/preview_frame.xrc
+++ b/src/hugin1/hugin/xrc/preview_frame.xrc
@@ -360,6 +360,32 @@
       
       
       <label>None</label>
+    </object>
+    <object class="tool" name="preview_mask_editor">
+      
+      
+      
+      
+      
+      <bitmap>data/mask_editor.png</bitmap>
+      
+      
+      
+      
+      
+      <longhelp>Create/Edit Mask</longhelp>
+      
+      
+      
+      
+      
+      <tooltip>Mask Editor</tooltip>
+      
+      
+      
+      
+      
+      <label>MaskEditor</label>
     </object>
     <bitmapsize>22,22</bitmapsize>
     <packing>3</packing>