diff --git a/drivers/usb/gadget/function/rndis.c b/drivers/usb/gadget/function/rndis.c
index c3ecff8aff8a..16ae1d28daf6 100644
--- a/drivers/usb/gadget/function/rndis.c
+++ b/drivers/usb/gadget/function/rndis.c
@@ -1104,7 +1104,7 @@ int rndis_rm_hdr(struct gether *port,
 		}
 
 		if (skb->len < sizeof *hdr) {
-			pr_err("invalid rndis pkt: skblen:%u hdr_len:%u",
+			pr_err("invalid rndis pkt: skblen:%u hdr_len:%zu",
 					skb->len, sizeof *hdr);
 			dev_kfree_skb_any(skb);
 			return -EINVAL;