diff --git a/common/ratp/mw.c b/common/ratp/mw.c
index 55e79bb..772910b 100644
--- a/common/ratp/mw.c
+++ b/common/ratp/mw.c
@@ -125,7 +125,7 @@
 
 	/* Validate buffer size */
 	if (buffer_size < (path_size + data_size)) {
-		pr_err("ignored: size mismatch (%d < %hu): path or data not be fully given\n",
+		pr_err("ignored: size mismatch (%d < %u): path or data not be fully given\n",
 		       req_len, path_size + data_size);
 		ret = -EINVAL;
 		goto out;