diff --git a/src/testdir/test_findfile.vim b/src/testdir/test_findfile.vim
index 20d5096..311020e 100644
--- a/src/testdir/test_findfile.vim
+++ b/src/testdir/test_findfile.vim
@@ -133,6 +133,7 @@
   let save_shellslash = &shellslash
   let save_dir = getcwd()
   set path=,,
+  set shellslash
   call CreateFiles()
   cd Xfinddir1