diff --git a/src/d_clisrv.c b/src/d_clisrv.c
index 3c813eee4..b6974b6cd 100644
--- a/src/d_clisrv.c
+++ b/src/d_clisrv.c
@@ -157,7 +157,7 @@ ticcmd_t netcmds[BACKUPTICS][MAXPLAYERS];
 static textcmdtic_t *textcmds[TEXTCMD_HASH_SIZE] = {NULL};
 
 
-consvar_t cv_showjoinaddress = CVAR_INIT ("showjoinaddress", "Off", CV_SAVE, CV_OnOff, NULL);
+consvar_t cv_showjoinaddress = CVAR_INIT ("showjoinaddress", "Off", CV_SAVE|CV_NETVAR, CV_OnOff, NULL);
 
 static CV_PossibleValue_t playbackspeed_cons_t[] = {{1, "MIN"}, {10, "MAX"}, {0, NULL}};
 consvar_t cv_playbackspeed = CVAR_INIT ("playbackspeed", "1", 0, playbackspeed_cons_t, NULL);
@@ -3681,24 +3681,24 @@ consvar_t cv_netticbuffer = CVAR_INIT ("netticbuffer", "1", CV_SAVE, netticbuffe
 consvar_t cv_allownewplayer = CVAR_INIT ("allowjoin", "On", CV_SAVE|CV_NETVAR, CV_OnOff, NULL);
 consvar_t cv_joinnextround = CVAR_INIT ("joinnextround", "Off", CV_SAVE|CV_NETVAR, CV_OnOff, NULL); /// \todo not done
 static CV_PossibleValue_t maxplayers_cons_t[] = {{2, "MIN"}, {32, "MAX"}, {0, NULL}};
-consvar_t cv_maxplayers = CVAR_INIT ("maxplayers", "8", CV_SAVE, maxplayers_cons_t, NULL);
+consvar_t cv_maxplayers = CVAR_INIT ("maxplayers", "8", CV_SAVE|CV_NETVAR, maxplayers_cons_t, NULL);
 static CV_PossibleValue_t joindelay_cons_t[] = {{1, "MIN"}, {3600, "MAX"}, {0, "Off"}, {0, NULL}};
-consvar_t cv_joindelay = CVAR_INIT ("joindelay", "10", CV_SAVE, joindelay_cons_t, NULL);
+consvar_t cv_joindelay = CVAR_INIT ("joindelay", "10", CV_SAVE|CV_NETVAR, joindelay_cons_t, NULL);
 static CV_PossibleValue_t rejointimeout_cons_t[] = {{1, "MIN"}, {60 * FRACUNIT, "MAX"}, {0, "Off"}, {0, NULL}};
-consvar_t cv_rejointimeout = CVAR_INIT ("rejointimeout", "Off", CV_SAVE|CV_FLOAT, rejointimeout_cons_t, NULL);
+consvar_t cv_rejointimeout = CVAR_INIT ("rejointimeout", "Off", CV_SAVE|CV_NETVAR|CV_FLOAT, rejointimeout_cons_t, NULL);
 
 static CV_PossibleValue_t resynchattempts_cons_t[] = {{1, "MIN"}, {20, "MAX"}, {0, "No"}, {0, NULL}};
-consvar_t cv_resynchattempts = CVAR_INIT ("resynchattempts", "10", CV_SAVE, resynchattempts_cons_t, NULL);
-consvar_t cv_blamecfail = CVAR_INIT ("blamecfail", "Off", CV_SAVE, CV_OnOff, NULL);
+consvar_t cv_resynchattempts = CVAR_INIT ("resynchattempts", "10", CV_SAVE|CV_NETVAR, resynchattempts_cons_t, NULL);
+consvar_t cv_blamecfail = CVAR_INIT ("blamecfail", "Off", CV_SAVE|CV_NETVAR, CV_OnOff, NULL);
 
 // max file size to send to a player (in kilobytes)
 static CV_PossibleValue_t maxsend_cons_t[] = {{0, "MIN"}, {51200, "MAX"}, {0, NULL}};
-consvar_t cv_maxsend = CVAR_INIT ("maxsend", "4096", CV_SAVE, maxsend_cons_t, NULL);
-consvar_t cv_noticedownload = CVAR_INIT ("noticedownload", "Off", CV_SAVE, CV_OnOff, NULL);
+consvar_t cv_maxsend = CVAR_INIT ("maxsend", "4096", CV_SAVE|CV_NETVAR, maxsend_cons_t, NULL);
+consvar_t cv_noticedownload = CVAR_INIT ("noticedownload", "Off", CV_SAVE|CV_NETVAR, CV_OnOff, NULL);
 
 // Speed of file downloading (in packets per tic)
 static CV_PossibleValue_t downloadspeed_cons_t[] = {{0, "MIN"}, {32, "MAX"}, {0, NULL}};
-consvar_t cv_downloadspeed = CVAR_INIT ("downloadspeed", "16", CV_SAVE, downloadspeed_cons_t, NULL);
+consvar_t cv_downloadspeed = CVAR_INIT ("downloadspeed", "16", CV_SAVE|CV_NETVAR, downloadspeed_cons_t, NULL);
 
 static void Got_AddPlayer(UINT8 **p, INT32 playernum);
 
diff --git a/src/d_netcmd.c b/src/d_netcmd.c
index c2579b4ab..f3c3f54dc 100644
--- a/src/d_netcmd.c
+++ b/src/d_netcmd.c
@@ -336,11 +336,11 @@ consvar_t cv_netstat = CVAR_INIT ("netstat", "Off", 0, CV_OnOff, NULL); // show
 static CV_PossibleValue_t nettimeout_cons_t[] = {{TICRATE/7, "MIN"}, {60*TICRATE, "MAX"}, {0, NULL}};
 consvar_t cv_nettimeout = CVAR_INIT ("nettimeout", "350", CV_CALL|CV_SAVE, nettimeout_cons_t, NetTimeout_OnChange);
 static CV_PossibleValue_t jointimeout_cons_t[] = {{5*TICRATE, "MIN"}, {60*TICRATE, "MAX"}, {0, NULL}};
-consvar_t cv_jointimeout = CVAR_INIT ("jointimeout", "350", CV_CALL|CV_SAVE, jointimeout_cons_t, JoinTimeout_OnChange);
-consvar_t cv_maxping = CVAR_INIT ("maxping", "0", CV_SAVE, CV_Unsigned, NULL);
+consvar_t cv_jointimeout = CVAR_INIT ("jointimeout", "350", CV_CALL|CV_SAVE|CV_NETVAR, jointimeout_cons_t, JoinTimeout_OnChange);
+consvar_t cv_maxping = CVAR_INIT ("maxping", "0", CV_SAVE|CV_NETVAR, CV_Unsigned, NULL);
 
 static CV_PossibleValue_t pingtimeout_cons_t[] = {{8, "MIN"}, {120, "MAX"}, {0, NULL}};
-consvar_t cv_pingtimeout = CVAR_INIT ("pingtimeout", "10", CV_SAVE, pingtimeout_cons_t, NULL);
+consvar_t cv_pingtimeout = CVAR_INIT ("pingtimeout", "10", CV_SAVE|CV_NETVAR, pingtimeout_cons_t, NULL);
 
 // show your ping on the HUD next to framerate. Defaults to warning only (shows up if your ping is > maxping)
 static CV_PossibleValue_t showping_cons_t[] = {{0, "Off"}, {1, "Always"}, {2, "Warning"}, {0, NULL}};
diff --git a/src/mserv.c b/src/mserv.c
index fa646b899..dfb417415 100644
--- a/src/mserv.c
+++ b/src/mserv.c
@@ -62,7 +62,7 @@ static CV_PossibleValue_t masterserver_update_rate_cons_t[] = {
 };
 
 consvar_t cv_masterserver = CVAR_INIT ("masterserver", "https://mb.srb2.org/MS/0", CV_SAVE|CV_CALL, NULL, MasterServer_OnChange);
-consvar_t cv_servername = CVAR_INIT ("servername", "SRB2 server", CV_SAVE|CV_CALL|CV_NOINIT, NULL, Update_parameters);
+consvar_t cv_servername = CVAR_INIT ("servername", "SRB2 server", CV_SAVE|CV_NETVAR|CV_CALL|CV_NOINIT, NULL, Update_parameters);
 
 consvar_t cv_masterserver_update_rate = CVAR_INIT ("masterserver_update_rate", "15", CV_SAVE|CV_CALL|CV_NOINIT, masterserver_update_rate_cons_t, Update_parameters);