diff --git a/stone/backends/obj_c_helpers.py b/stone/backends/obj_c_helpers.py
index 50440304..217a55b5 100644
--- a/stone/backends/obj_c_helpers.py
+++ b/stone/backends/obj_c_helpers.py
@@ -151,6 +151,9 @@
     'id',
     'delete',
     'hash',
+    'boolvalue',
+    'floatvalue',
+    'intvalue',
 }
 
 _reserved_prefixes = {