diff --git a/src/banmaster/banmaster.cpp b/src/banmaster/banmaster.cpp
index 0243f9c49..ab326b20f 100644
--- a/src/banmaster/banmaster.cpp
+++ b/src/banmaster/banmaster.cpp
@@ -215,7 +215,7 @@ int main(int argc, const char **argv) // ignore_convention
 		CNetChunk p;
 		while(m_Net.Recv(&p))
 		{
-			if(p.m_DataSize >= sizeof(BANMASTER_IPCHECK) &&
+			if(p.m_DataSize >= (int)sizeof(BANMASTER_IPCHECK) &&
 				!mem_comp(p.m_pData, BANMASTER_IPCHECK, sizeof(BANMASTER_IPCHECK)))
 			{
 				char *pAddr = (char*)p.m_pData + sizeof(BANMASTER_IPCHECK);
diff --git a/src/engine/server/server.cpp b/src/engine/server/server.cpp
index f70ed7a14..cff0144bf 100644
--- a/src/engine/server/server.cpp
+++ b/src/engine/server/server.cpp
@@ -1100,13 +1100,13 @@ void CServer::PumpNetwork()
 					SendServerInfo(&Packet.m_Address, -1);
 				}
 				
-				if(Packet.m_DataSize >= sizeof(BANMASTER_IPOK) &&
+				if(Packet.m_DataSize >= (int)sizeof(BANMASTER_IPOK) &&
 				  mem_comp(Packet.m_pData, BANMASTER_IPOK, sizeof(BANMASTER_IPOK)) == 0 &&
 				  m_NetServer.BanmasterCheck(&Packet.m_Address) != -1)
 				{
 				}
 
-				if(Packet.m_DataSize >= sizeof(BANMASTER_IPBAN) &&
+				if(Packet.m_DataSize >= (int)sizeof(BANMASTER_IPBAN) &&
 				  mem_comp(Packet.m_pData, BANMASTER_IPBAN, sizeof(BANMASTER_IPBAN)) == 0 &&
 				  g_Config.m_SvGlobalBantime &&
 				  m_NetServer.BanmasterCheck(&Packet.m_Address) != -1)