diff --git a/test/old/testdir/test_buffer.vim b/test/old/testdir/test_buffer.vim
index 156a5131e0..cc97dcebbd 100644
--- a/test/old/testdir/test_buffer.vim
+++ b/test/old/testdir/test_buffer.vim
@@ -232,6 +232,7 @@ func Test_bwipe_during_save()
   set charconvert=execute('%bw!')
   call assert_fails('write ++enc=lmao boom', 'E937:')
 
+  set charconvert&
   %bwipe
 endfunc