ext/oj/load.c in oj-1.2.4 vs ext/oj/load.c in oj-1.2.5

@@ -473,11 +473,11 @@
 			rb_hash_aset(obj, rb_str_intern(key), val);
 		    } else {
 			rb_hash_aset(obj, key, val);
 		    }
 		    if ((CompatMode == mode || ObjectMode == mode) &&
-			0 == json_class_name &&
-			0 != ks && 'j' == *ks && 0 == strcmp("json_class", ks) &&
+			0 == json_class_name && 0 != ks && 
+			0 != pi->options->create_id && *pi->options->create_id == *ks && 0 == strcmp(pi->options->create_id, ks) &&
 			T_STRING == rb_type(val)) {
 			json_class_name = StringValuePtr(val);
 		    }
 		} else {
 		    raise_error("invalid Object format, too many Hash entries.", pi->str, pi->s);