diff --git a/fs/sysfs/bin.c b/fs/sysfs/bin.c
index 8ea2a51..d3b9f5f 100644
--- a/fs/sysfs/bin.c
+++ b/fs/sysfs/bin.c
@@ -59,7 +59,7 @@
 	if (copy_to_user(userbuf, buffer, count))
 		return -EFAULT;
 
-	pr_debug("offs = %lld, *off = %lld, count = %d\n", offs, *off, count);
+	pr_debug("offs = %lld, *off = %lld, count = %zd\n", offs, *off, count);
 
 	*off = offs + count;