diff --git a/fs/afs/rxrpc.c b/fs/afs/rxrpc.c
index e7b0473..222c1a3 100644
--- a/fs/afs/rxrpc.c
+++ b/fs/afs/rxrpc.c
@@ -772,7 +772,7 @@
 
 	if (call->offset < count) {
 		if (last) {
-			_leave(" = -EBADMSG [%d < %lu]", call->offset, count);
+			_leave(" = -EBADMSG [%d < %zu]", call->offset, count);
 			return -EBADMSG;
 		}
 		_leave(" = -EAGAIN");