Index: src/refpool.c
==================================================================
--- src/refpool.c
+++ src/refpool.c
@@ -74,10 +74,13 @@
 
 	if (pool->data != NULL)
 		free(pool->data);
 
 	top = pool->prev;
+
+	if (top != NULL)
+		top->next = NULL;
 }
 
 bool
 cfw_refpool_add(void *ptr)
 {