diff --git a/test/old/testdir/test_cmdline.vim b/test/old/testdir/test_cmdline.vim
index 7399f99c5b..b3acb81a2e 100644
--- a/test/old/testdir/test_cmdline.vim
+++ b/test/old/testdir/test_cmdline.vim
@@ -3546,7 +3546,7 @@ endfunc
 func Test_fuzzy_completion_bufname_fullpath()
   CheckUnix
   set wildoptions&
-  call mkdir('Xcmd/Xstate/Xfile.js', 'pR')
+  call mkdir('Xcmd/Xstate', 'pR')
   edit Xcmd/Xstate/Xfile.js
   cd Xcmd/Xstate
   enew