diff --git a/fs/bcachefs/btree_cache.c b/fs/bcachefs/btree_cache.c
index 6e4afb2b5441..0f86b0d52895 100644
--- a/fs/bcachefs/btree_cache.c
+++ b/fs/bcachefs/btree_cache.c
@@ -120,7 +120,7 @@ static int btree_node_data_alloc(struct bch_fs *c, struct btree *b, gfp_t gfp)
 {
 	BUG_ON(b->data || b->aux_data);
 
-	gfp |= __GFP_ACCOUNT|__GFP_RECLAIMABLE;
+	gfp |= __GFP_ZERO| __GFP_ACCOUNT|__GFP_RECLAIMABLE;
 
 	b->data = kvmalloc(btree_buf_bytes(b), gfp);
 	if (!b->data)