diff --git a/src/testdir/test72.in b/src/testdir/test72.in
index 07d362f..a38bd16 100644
--- a/src/testdir/test72.in
+++ b/src/testdir/test72.in
@@ -6,7 +6,8 @@
 :so small.vim
 :"
 :" Test 'undofile': first a simple one-line change.
-:set nocp ul=100 undofile nomore
+:set nocompatible viminfo+=nviminfo
+:set ul=100 undofile nomore
 :e! Xtestfile
 ggdGithis is one line:set ul=100
 :s/one/ONE/