diff --git a/src/testdir/test_cmdline.vim b/src/testdir/test_cmdline.vim
index 9c08d13..3685336 100644
--- a/src/testdir/test_cmdline.vim
+++ b/src/testdir/test_cmdline.vim
@@ -808,6 +808,14 @@
   call delete('Xtest.vim')
 endfunc
 
+func Test_mark_from_line_zero()
+  " this was reading past the end of the first (empty) line
+  new
+  norm oxxxx
+  call assert_fails("0;'(", 'E20:')
+  bwipe!
+endfunc
+
 func Test_cmdline_complete_wildoptions()
   help
   call feedkeys(":tag /\<c-a>\<c-b>\"\<cr>", 'tx')