diff --git a/src/screen.c b/src/screen.c
index 43a208022..92a8a9e2a 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -71,9 +71,9 @@ consvar_t cv_scr_height_w = CVAR_INIT ("scr_height_w", "400", CV_SAVE, CV_Unsign
 consvar_t cv_scr_depth = CVAR_INIT ("scr_depth", "16 bits", CV_SAVE, scr_depth_cons_t, NULL);
 
 consvar_t cv_renderview = CVAR_INIT ("renderview", "On", 0, CV_OnOff, NULL);
-consvar_t cv_renderwalls = CVAR_INIT ("renderwalls", "On", 0, CV_OnOff, NULL);
-consvar_t cv_renderfloors = CVAR_INIT ("renderfloors", "On", 0, CV_OnOff, NULL);
-consvar_t cv_renderthings = CVAR_INIT ("renderthings", "On", 0, CV_OnOff, NULL);
+consvar_t cv_renderwalls = CVAR_INIT ("renderwalls", "On", CV_NOTINNET|CV_CHEAT, CV_OnOff, NULL);
+consvar_t cv_renderfloors = CVAR_INIT ("renderfloors", "On", CV_NOTINNET|CV_CHEAT, CV_OnOff, NULL);
+consvar_t cv_renderthings = CVAR_INIT ("renderthings", "On", CV_NOTINNET|CV_CHEAT, CV_OnOff, NULL);
 
 CV_PossibleValue_t cv_renderer_t[] = {
 	{1, "Software"},