diff --git a/plugin/gundo.vim b/plugin/gundo.vim
index 085bea4..2d1660c 100644
--- a/plugin/gundo.vim
+++ b/plugin/gundo.vim
@@ -25,7 +25,7 @@ if has('python')
 python << ENDPYTHON
 import sys
 import vim
-if sys.version_info[:2] < (2, 5):
+if sys.version_info[:2] < (2, 4):
     vim.command('let s:has_supported_python = 0')
 ENDPYTHON