diff --git a/tests/aot/array/null-as-key.phpt b/tests/aot/array/null-as-key.phpt
new file mode 100644
index 00000000..f4e4a9e9
--- /dev/null
+++ b/tests/aot/array/null-as-key.phpt
@@ -0,0 +1,17 @@
+--TEST--
+Array 001
+--FILE--
+<?php
+$inputs = array(
+  null => 'v1',
+  null => 'v2',
+);
+var_dump($inputs);
+?>
+--EXPECT--
+array(2) {
+  [0]=>
+  string(2) "v1"
+  [1]=>
+  string(2) "v2"
+}
\ No newline at end of file