diff --git a/tests/template_tests/filter_tests/test_floatformat.py b/tests/template_tests/filter_tests/test_floatformat.py
index cfc3eaf73b..9cb838854c 100644
--- a/tests/template_tests/filter_tests/test_floatformat.py
+++ b/tests/template_tests/filter_tests/test_floatformat.py
@@ -26,7 +26,9 @@ class FunctionTests(SimpleTestCase):
         self.assertEqual(floatformat(7.7), '7.7')
         self.assertEqual(floatformat(7.0), '7')
         self.assertEqual(floatformat(0.7), '0.7')
+        self.assertEqual(floatformat(-0.7), '-0.7')
         self.assertEqual(floatformat(0.07), '0.1')
+        self.assertEqual(floatformat(-0.07), '-0.1')
         self.assertEqual(floatformat(0.007), '0.0')
         self.assertEqual(floatformat(0.0), '0')
         self.assertEqual(floatformat(7.7, 0), '8')