diff --git a/src/testdir/test_syntax.vim b/src/testdir/test_syntax.vim
index bc268a1..0a0d667 100644
--- a/src/testdir/test_syntax.vim
+++ b/src/testdir/test_syntax.vim
@@ -111,6 +111,9 @@
   let a = execute('syntime report')
   call assert_equal("\nNo Syntax items defined for this buffer", a)
 
+  let a = execute('syntime clear')
+  call assert_equal("\nNo Syntax items defined for this buffer", a)
+
   view ../memfile_test.c
   setfiletype cpp
   redraw