diff --git a/install/obsolete_extensions.list b/install/obsolete_extensions.list
index 4dc127470..73bbdbf98 100644
--- a/install/obsolete_extensions.list
+++ b/install/obsolete_extensions.list
@@ -8,4 +8,5 @@
 529: regenerateWebsize
 388: square_thumbnails
 522: external_ImageMagick
-327: Ajax_Thumbnailer
\ No newline at end of file
+327: Ajax_Thumbnailer
+400: spread_menus
\ No newline at end of file