@@ -147,13 +147,14 @@
 extern void *glue_objc_hashtable_get(void);
 extern void glue_objc_hashtable_delete(void);
 extern void glue_objc_hashtable_free(void);
 extern void glue_objc_setTaggedPointerSecret(void);
 extern int glue_objc_registerTaggedPointerClass(void);
-extern Class _Nullable glue_object_getTaggedPointerClass(void);
+extern bool glue_object_isTaggedPointer(void);
+extern Class glue_object_getTaggedPointerClass(void);
 extern uintptr_t glue_object_getTaggedPointerValue(void);
-extern id _Nullable glue_objc_createTaggedPointer(void);
+extern id glue_objc_createTaggedPointer(void);
 
 #ifdef OF_MORPHOS
 const ULONG __abox__ = 1;
 #endif
 struct ExecBase *SysBase;
@@ -678,10 +679,11 @@
 	(CONST_APTR)glue_objc_hashtable_get,
 	(CONST_APTR)glue_objc_hashtable_delete,
 	(CONST_APTR)glue_objc_hashtable_free,
 	(CONST_APTR)glue_objc_setTaggedPointerSecret,
 	(CONST_APTR)glue_objc_registerTaggedPointerClass,
+	(CONST_APTR)glue_object_isTaggedPointer,
 	(CONST_APTR)glue_object_getTaggedPointerClass,
 	(CONST_APTR)glue_object_getTaggedPointerValue,
 	(CONST_APTR)glue_objc_createTaggedPointer,
 	(CONST_APTR)-1,
 #ifdef OF_MORPHOS