diff --git a/src/nvim/testdir/test_options.vim b/src/nvim/testdir/test_options.vim
index da87a22f1e..9aa003f475 100644
--- a/src/nvim/testdir/test_options.vim
+++ b/src/nvim/testdir/test_options.vim
@@ -357,7 +357,7 @@ func Test_backupskip()
   for var in  ['$TEMPDIR', '$TMP', '$TEMP']
     if exists(var)
       let varvalue = substitute(expand(var), '\\', '/', 'g')
-      call assert_match(varvalue . '.\*', bskvalue)
+      call assert_match(varvalue . '/\=\*', bskvalue)
     endif
   endfor
 endfunc