diff --git a/fs/bcachefs/fs-io.c b/fs/bcachefs/fs-io.c
index 77b85da30fb2..33c5d553a612 100644
--- a/fs/bcachefs/fs-io.c
+++ b/fs/bcachefs/fs-io.c
@@ -180,7 +180,7 @@ static int bch2_flush_inode(struct bch_fs *c,
 	if (!bch2_write_ref_tryget(c, BCH_WRITE_REF_fsync))
 		return -EROFS;
 
-	struct bch_inode_unpacked u;
+	struct bch_inode_unpacked u = {0};
 	int ret = bch2_inode_find_by_inum(c, inode_inum(inode), &u) ?:
 		  bch2_journal_flush_seq(&c->journal, u.bi_journal_seq) ?:
 		  bch2_inode_flush_nocow_writes(c, inode);