diff --git a/src/testdir/test_usercommands.vim b/src/testdir/test_usercommands.vim
index e161ee6..fe08b95 100644
--- a/src/testdir/test_usercommands.vim
+++ b/src/testdir/test_usercommands.vim
@@ -133,6 +133,10 @@
       \ 'silent verbose aboveleft belowright botright tab topleft vertical',
       \ g:mods)
 
+  kee keep keepm keepma keepmar keepmarks keepa keepalt keepj keepjumps
+      \ keepp keeppatterns MyCmd
+  call assert_equal('keepalt keepjumps keepmarks keeppatterns', g:mods)
+
   let g:mods = ''
   command! -nargs=* MyQCmd let g:mods .= '<q-mods> '