diff --git a/src/engine/server/sv_rcon.cpp b/src/engine/server/sv_rcon.cpp
index fb4cdbed..3f67d28c 100644
--- a/src/engine/server/sv_rcon.cpp
+++ b/src/engine/server/sv_rcon.cpp
@@ -43,7 +43,7 @@ static ConVar sv_rcon_maxignores("sv_rcon_maxignores", "15", FCVAR_RELEASE, "Max
 static ConVar sv_rcon_maxsockets("sv_rcon_maxsockets", "32", FCVAR_RELEASE, "Max number of accepted sockets before the server starts closing redundant sockets", true, 1.f, true, MAX_PLAYERS);
 
 static ConVar sv_rcon_maxconnections("sv_rcon_maxconnections", "1", FCVAR_RELEASE, "Max number of authenticated connections before the server closes the listen socket", true, 1.f, true, MAX_PLAYERS, &RCON_ConnectionCountChanged_f);
-static ConVar sv_rcon_maxframesize("sv_rcon_maxframesize", "1024", FCVAR_RELEASE, "Max number of bytes allowed in a message frame from a non-authenticated netconsole", true, 0.f, false, 0.f);
+static ConVar sv_rcon_maxframesize("sv_rcon_maxframesize", "1024", FCVAR_RELEASE, "Max number of bytes allowed in a message frame from a non-authenticated netconsole", true, 0.f, true, 4096.f);
 static ConVar sv_rcon_whitelistaddress("sv_rcon_whitelistaddress", "", FCVAR_RELEASE, "This address is not considered a 'redundant' socket and will never be banned for failed authentication attempts", &RCON_WhiteListAddresChanged_f, "Format: '::ffff:127.0.0.1'");
 
 static ConVar sv_rcon_useloopbacksocket("sv_rcon_useloopbacksocket", "0", FCVAR_RELEASE, "Whether to bind rcon server to the loopback socket", &RCON_UseLoopbackSocketChanged_f);