diff --git a/lib/btree.c b/lib/btree.c
index f9a484676cb6a8e4782333ce164bf0662b583b78..4264871ea1a00194750116a82c48e18d18edbd44 100644
--- a/lib/btree.c
+++ b/lib/btree.c
@@ -198,6 +198,7 @@ EXPORT_SYMBOL_GPL(btree_init);
 
 void btree_destroy(struct btree_head *head)
 {
+	mempool_free(head->node, head->mempool);
 	mempool_destroy(head->mempool);
 	head->mempool = NULL;
 }