diff --git a/tools/tests/test_css_parser.py b/tools/tests/test_css_parser.py
index 1a60e6c1d6..56c3b84410 100644
--- a/tools/tests/test_css_parser.py
+++ b/tools/tests/test_css_parser.py
@@ -48,6 +48,20 @@ class ParserTestHappyPath(unittest.TestCase):
         declaration = block.declarations[0]
         self.assertIn('/* comment here */', declaration.text())
 
+    def test_no_semicolon(self):
+        # type: () -> None
+        my_css = '''
+            p { color: red }
+        '''
+
+        res = parse(my_css)
+
+        self.assertEqual(res.text(), my_css)
+
+        section = cast(CssSection, res.sections[0])
+
+        self.assertFalse(section.declaration_block.declarations[0].semicolon)
+
     def test_multi_line_selector(self):
         # type: () -> None
         my_css = '''