diff --git a/tests/Fixtures/expressions/not.test b/tests/Fixtures/expressions/not.test
new file mode 100644
index 000000000..40914a3e1
--- /dev/null
+++ b/tests/Fixtures/expressions/not.test
@@ -0,0 +1,10 @@
+--TEST--
+not
+--TEMPLATE--
+{{ (not false) ? 'OK' : 'KO' }}
+{{ not false ? 'OK' : 'KO' }}
+--DATA--
+return []
+--EXPECT--
+OK
+OK