diff --git a/tools/checker_test.py b/tools/checker_test.py
index 9b04ab0..2846a9c 100755
--- a/tools/checker_test.py
+++ b/tools/checker_test.py
@@ -342,6 +342,10 @@
     self.__notMatchMulti([("foo", CheckVariant.Not)],
                          """abc foo
                             def""")
+    self.__notMatchMulti([("foo", CheckVariant.Not),
+                          ("bar", CheckVariant.Not)],
+                         """abc
+                            def bar""")
 
   def test_LineOnlyMatchesOnce(self):
     self.__matchMulti([("foo", CheckVariant.DAG),