--- a/contrib/win32/mercurial.ini
+++ b/contrib/win32/mercurial.ini
@@ -13,7 +13,7 @@
 ; The win32text extension is available and installed by default.  It
 ; provides built-in Python hooks to perform line ending conversions.
 ; This is normally much faster than running an external program.
-mercurial.ext.win32text =
+hgext.win32text =
 
 
 [encode]