diff --git a/fs/bcachefs/fs-io.c b/fs/bcachefs/fs-io.c
index 5beb47805a68..c30c028c869d 100644
--- a/fs/bcachefs/fs-io.c
+++ b/fs/bcachefs/fs-io.c
@@ -2255,6 +2255,15 @@ int bch2_truncate(struct bch_inode_info *inode, struct iattr *iattr)
 	ret = PTR_ERR_OR_ZERO(iter);
 	bch2_trans_exit(&trans);
 
+	if (ret)
+		goto err;
+
+	/*
+	 * check this before next assertion; on filesystem error our normal
+	 * invariants are a bit broken (truncate has to truncate the page cache
+	 * before the inode).
+	 */
+	ret = bch2_journal_error(&c->journal);
 	if (ret)
 		goto err;