diff --git a/src/testdir/test_listdict.vim b/src/testdir/test_listdict.vim
index 574beb5..56c84a2 100644
--- a/src/testdir/test_listdict.vim
+++ b/src/testdir/test_listdict.vim
@@ -282,6 +282,7 @@
 
 func Test_dict_literal_keys()
   call assert_equal({'one': 1, 'two2': 2, '3three': 3, '44': 4}, *{one: 1, two2: 2, 3three: 3, 44: 4},)
+  call assert_equal('2 3', trim(execute('echo 2 *{blue: 3}.blue')))
 endfunc
 
 " Nasty: deepcopy() dict that refers to itself (fails when noref used)