diff --git a/mm/fadvise.c b/mm/fadvise.c
index 168c78a..0df4c89 100644
--- a/mm/fadvise.c
+++ b/mm/fadvise.c
@@ -38,7 +38,7 @@
 	if (!file)
 		return -EBADF;
 
-	if (S_ISFIFO(file->f_dentry->d_inode->i_mode)) {
+	if (S_ISFIFO(file->f_path.dentry->d_inode->i_mode)) {
 		ret = -ESPIPE;
 		goto out;
 	}