diff --git a/rehlds/engine/net_chan.cpp b/rehlds/engine/net_chan.cpp
index 935df2c..655231c 100644
--- a/rehlds/engine/net_chan.cpp
+++ b/rehlds/engine/net_chan.cpp
@@ -818,7 +818,11 @@ qboolean Netchan_Process(netchan_t *chan)
 	if (reliable_ack == (unsigned)chan->reliable_sequence)
 	{
 		// Make sure we actually could have ack'd this message
+#ifdef REHLDS_FIXES
+		if (sequence_ack >= chan->last_reliable_sequence)
+#else // REHLDS_FIXES
 		if (chan->incoming_acknowledged + 1 >= chan->last_reliable_sequence)
+#endif // REHLDS_FIXES
 		{
 			chan->reliable_length = 0;	// it has been received
 		}