diff --git a/fs/sysfs/dir.c b/fs/sysfs/dir.c
index c3646d93a032..83bb9d1f30aa 100644
--- a/fs/sysfs/dir.c
+++ b/fs/sysfs/dir.c
@@ -60,7 +60,8 @@ static void sysfs_link_sibling(struct sysfs_dirent *sd)
 		} else if (sd->s_ino > node->s_ino) {
 			p = &node->inode_node.rb_right;
 		} else {
-			printk(KERN_CRIT "sysfs: inserting duplicate inode '%lx'\n", sd->s_ino);
+			printk(KERN_CRIT "sysfs: inserting duplicate inode '%lx'\n",
+			       (unsigned long) sd->s_ino);
 			BUG();
 		}
 #undef node