diff --git a/r5dev/common/netmessages.cpp b/r5dev/common/netmessages.cpp
index f89c3313..80082de8 100644
--- a/r5dev/common/netmessages.cpp
+++ b/r5dev/common/netmessages.cpp
@@ -90,7 +90,7 @@ bool Base_CmdKeyValues::WriteToBufferImpl(Base_CmdKeyValues* thisptr, bf_write*
 // determine whether or not the message should be copied into the replay buffer,
 // regardless of the 'CNetMessage::m_Group' type.
 ///////////////////////////////////////////////////////////////////////////////////
-bool ShouldReplayMessage(CNetMessage* msg)
+bool ShouldReplayMessage(const CNetMessage* msg)
 {
 	switch (msg->GetType())
 	{
diff --git a/r5dev/common/netmessages.h b/r5dev/common/netmessages.h
index 0a44a9d3..696800ce 100644
--- a/r5dev/common/netmessages.h
+++ b/r5dev/common/netmessages.h
@@ -378,7 +378,7 @@ public:
 	bf_write	m_DataOut;
 };
 
-bool ShouldReplayMessage(CNetMessage* msg);
+bool ShouldReplayMessage(const CNetMessage* msg);
 
 ///////////////////////////////////////////////////////////////////////////////
 class V_NetMessages : public IDetour