diff --git a/src/testdir/test_exit.vim b/src/testdir/test_exit.vim
index 7e50e78..c05374c 100644
--- a/src/testdir/test_exit.vim
+++ b/src/testdir/test_exit.vim
@@ -119,6 +119,7 @@
   call writefile([":au VimLeave * call writefile(['l = ' .. v:exiting], 'Xtestout')", ":tabnew", "q:"], 'Xscript', 'b')
 
   if RunVim([], [], '<Xscript')
+    call assert_equal(1, v:shell_error)
     call assert_equal(['l = 1'], readfile('Xtestout'))
   endif
   call delete('Xscript')