diff --git a/unittests/Format/FormatTest.cpp b/unittests/Format/FormatTest.cpp
index 54999e1..fc4ce10 100644
--- a/unittests/Format/FormatTest.cpp
+++ b/unittests/Format/FormatTest.cpp
@@ -394,6 +394,7 @@
 
 TEST_F(FormatTest, BreaksOnHashWhenDirectiveIsInvalid) {
   EXPECT_EQ("#\n;", format("#;"));
+  verifyFormat("#\n;\n;\n;");
 }
 
 TEST_F(FormatTest, UnescapedEndOfLineEndsPPDirective) {