diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c
index d38e0d5..cceaf57 100644
--- a/fs/jbd/transaction.c
+++ b/fs/jbd/transaction.c
@@ -55,7 +55,7 @@
 	spin_lock_init(&transaction->t_handle_lock);
 
 	/* Set up the commit timer for the new transaction. */
-	journal->j_commit_timer.expires = transaction->t_expires;
+	journal->j_commit_timer.expires = round_jiffies(transaction->t_expires);
 	add_timer(&journal->j_commit_timer);
 
 	J_ASSERT(journal->j_running_transaction == NULL);