diff --git a/fs/bcachefs/extents.c b/fs/bcachefs/extents.c
index 779ee42350ad..f097bed684e5 100644
--- a/fs/bcachefs/extents.c
+++ b/fs/bcachefs/extents.c
@@ -454,6 +454,8 @@ bool bch2_bkey_narrow_crcs(struct bkey_i *k, struct bch_extent_crc_unpacked n)
 	BUG_ON(n.live_size != k->k.size);
 
 restart_narrow_pointers:
+	ptrs = bch2_bkey_ptrs(bkey_i_to_s(k));
+
 	bkey_for_each_ptr_decode(&k->k, ptrs, p, i)
 		if (can_narrow_crc(p.crc, n)) {
 			bch2_bkey_drop_ptr(bkey_i_to_s(k), &i->ptr);