diff --git a/src/testdir/test_cmdline.vim b/src/testdir/test_cmdline.vim
index 054d39b..0ddbcec 100644
--- a/src/testdir/test_cmdline.vim
+++ b/src/testdir/test_cmdline.vim
@@ -69,6 +69,11 @@
   let l = getcompletion('tag', 'function')
   call assert_true(index(l, 'taglist(') >= 0)
 
+  let Flambda = {-> 'hello'}
+  let l = getcompletion('', 'function')
+  let l = filter(l, {i, v -> v =~ 'lambda'})
+  call assert_equal(0, len(l))
+
   let l = getcompletion('run', 'file')
   call assert_true(index(l, 'runtest.vim') >= 0)