diff --git a/src/macros.py b/src/macros.py
index 69f36c0..28d501f 100644
--- a/src/macros.py
+++ b/src/macros.py
@@ -127,7 +127,7 @@
 macro TO_UINT32(arg) = (arg >>> 0);
 macro TO_STRING_INLINE(arg) = (IS_STRING(%IS_VAR(arg)) ? arg : NonStringToString(arg));
 macro TO_NUMBER_INLINE(arg) = (IS_NUMBER(%IS_VAR(arg)) ? arg : NonNumberToNumber(arg));
-
+macro TO_OBJECT_INLINE(arg) = (IS_SPEC_OBJECT(%IS_VAR(arg)) ? arg : ToObject(arg));
 
 # Macros implemented in Python.
 python macro CHAR_CODE(str) = ord(str[1]);