From 1c0700e0c0aa233b8850eba8358862f44574856d Mon Sep 17 00:00:00 2001
From: glx22 <glx@openttd.org>
Date: Tue, 19 Oct 2021 03:06:01 +0200
Subject: Fix #9624: compilation with RANDOM_DEBUG

---
 src/network/network_client.cpp | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

(limited to 'src/network/network_client.cpp')

diff --git a/src/network/network_client.cpp b/src/network/network_client.cpp
index 22f7278f3..bc5f24ac3 100644
--- a/src/network/network_client.cpp
+++ b/src/network/network_client.cpp
@@ -858,7 +858,11 @@ NetworkRecvStatus ClientNetworkGameSocketHandler::Receive_SERVER_FRAME(Packet *p
 #ifdef ENABLE_NETWORK_SYNC_EVERY_FRAME
 	/* Test if the server supports this option
 	 *  and if we are at the frame the server is */
-	if (p->pos + 1 < p->size) {
+#ifdef NETWORK_SEND_DOUBLE_SEED
+	if (p->CanReadFromPacket(sizeof(uint32) + sizeof(uint32))) {
+#else
+	if (p->CanReadFromPacket(sizeof(uint32))) {
+#endif
 		_sync_frame = _frame_counter_server;
 		_sync_seed_1 = p->Recv_uint32();
 #ifdef NETWORK_SEND_DOUBLE_SEED
-- 
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