diff --git a/src/testdir/test_cmdline.vim b/src/testdir/test_cmdline.vim
index bd2ca03..f7f55aa 100644
--- a/src/testdir/test_cmdline.vim
+++ b/src/testdir/test_cmdline.vim
@@ -751,6 +751,11 @@
   unlet g:SomeVar
 endfunc
 
+" Unique function name for completion below
+func s:WeirdFunc()
+  echo 'weird'
+endfunc
+
 " Test for various command-line completion
 func Test_cmdline_complete_various()
   " completion for a command starting with a comment
@@ -833,6 +838,9 @@
   call feedkeys(":disas profile Test_cmdline_complete_var\<C-A>\<C-B>\"\<CR>", 'xt')
   call assert_equal("\"disas profile Test_cmdline_complete_various", @:)
 
+  call feedkeys(":disas s:WeirdF\<C-A>\<C-B>\"\<CR>", 'xt')
+  call assert_match('"disas <SNR>\d\+_WeirdFunc()', @:)
+
   " completion for the :match command
   call feedkeys(":match Search /pat/\<C-A>\<C-B>\"\<CR>", 'xt')
   call assert_equal("\"match Search /pat/\<C-A>", @:)