diff --git a/src/corelib/object.h b/src/corelib/object.h
index 9d26ab9..913b670 100644
--- a/src/corelib/object.h
+++ b/src/corelib/object.h
@@ -24,5 +24,9 @@ struct object_t {
 object_t object_default();
 
 void object_draw_sprite(object_t* object);
+static inline
+int object_is_valid(object_t* object) {
+	return object != NULL || object->active <= 0;
+}
 
-#endif /* _object_h */
\ No newline at end of file
+#endif /* _object_h */