diff --git a/kernel/acct.c b/kernel/acct.c
index b327f4d..6802020 100644
--- a/kernel/acct.c
+++ b/kernel/acct.c
@@ -118,7 +118,7 @@
 	spin_unlock(&acct_globals.lock);
 
 	/* May block */
-	if (vfs_statfs(file->f_dentry->d_inode->i_sb, &sbuf))
+	if (vfs_statfs(file->f_dentry, &sbuf))
 		return res;
 	suspend = sbuf.f_blocks * SUSPEND;
 	resume = sbuf.f_blocks * RESUME;