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-rw-r--r--src/network/network_client.cpp6
1 files changed, 5 insertions, 1 deletions
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