diff --git a/fs/ecryptfs/inode.c b/fs/ecryptfs/inode.c
index 93bc0f8..1940edd 100644
--- a/fs/ecryptfs/inode.c
+++ b/fs/ecryptfs/inode.c
@@ -667,7 +667,7 @@
 	lower_buf = kmalloc(lower_bufsiz, GFP_KERNEL);
 	if (lower_buf == NULL) {
 		printk(KERN_ERR "%s: Out of memory whilst attempting to "
-		       "kmalloc [%d] bytes\n", __func__, lower_bufsiz);
+		       "kmalloc [%zd] bytes\n", __func__, lower_bufsiz);
 		rc = -ENOMEM;
 		goto out;
 	}