diff --git a/c_gen/templates/of_object.c b/c_gen/templates/of_object.c
index 596d79a..574db27 100644
--- a/c_gen/templates/of_object.c
+++ b/c_gen/templates/of_object.c
@@ -521,7 +521,7 @@
     obj->wbuf = NULL;
 }
 
-#define _MAX_PARENT_ITERATIONS 4
+#define _MAX_PARENT_ITERATIONS 8
 /**
  * Iteratively update parent lengths thru hierarchy
  * @param obj The object whose length is being updated