diff --git a/engine/client/renderer.c b/engine/client/renderer.c
index 48bb59065..f70c51a02 100644
--- a/engine/client/renderer.c
+++ b/engine/client/renderer.c
@@ -220,8 +220,8 @@ extern	cvar_t	r_novis;
 extern	cvar_t	r_netgraph;
 
 cvar_t r_drawflat	= SCVARF("r_drawflat","0", CVAR_SEMICHEAT|CVAR_RENDERERCALLBACK);
-cvar_t r_wallcolour	= SCVARF("r_wallcolour","1 1 1", CVAR_RENDERERCALLBACK);
-cvar_t r_floorcolour	= SCVARF("r_floorcolour","1 1 1", CVAR_RENDERERCALLBACK);
+cvar_t r_wallcolour	= SCVARF("r_wallcolour","255 255 255", CVAR_RENDERERCALLBACK);
+cvar_t r_floorcolour	= SCVARF("r_floorcolour","255 255 255", CVAR_RENDERERCALLBACK);
 cvar_t r_walltexture	= SCVARF("r_walltexture","", CVAR_RENDERERCALLBACK);
 cvar_t r_floortexture	= SCVARF("r_floortexture","", CVAR_RENDERERCALLBACK);
 
diff --git a/engine/gl/gl_model.c b/engine/gl/gl_model.c
index 29f263864..fed854eb9 100644
--- a/engine/gl/gl_model.c
+++ b/engine/gl/gl_model.c
@@ -3336,7 +3336,7 @@ void GLMod_LoadDoomSprite (model_t *mod)
 	msprite_t *psprite;
 
 
-	COM_StripExtension(mod->name, basename);
+	COM_StripExtension(mod->name, basename, sizeof(basename));
 	baselen = strlen(basename);
 	strcat(basename, "*");
 	*(int *)files=4;
diff --git a/engine/gl/gl_ppl.c b/engine/gl/gl_ppl.c
index b93af0cf1..bf08a87e0 100644
--- a/engine/gl/gl_ppl.c
+++ b/engine/gl/gl_ppl.c
@@ -1170,12 +1170,12 @@ static qboolean simpletextures = false;
 //single textured.
 void GLR_Wallcolour_Callback(struct cvar_s *var, char *oldvalue)
 {
-	SCR_StringToRGB(var->string, wallcolour, 1);
+	SCR_StringToRGB(var->string, wallcolour, 255);
 }
 
 void GLR_Floorcolour_Callback(struct cvar_s *var, char *oldvalue)
 {
-	SCR_StringToRGB(var->string, floorcolour, 1);
+	SCR_StringToRGB(var->string, floorcolour, 255);
 }
 
 void GLR_Walltexture_Callback(struct cvar_s *var, char *oldvalue)
diff --git a/engine/gl/glmod_doom.c b/engine/gl/glmod_doom.c
index d1cf19a6b..d585351bd 100644
--- a/engine/gl/glmod_doom.c
+++ b/engine/gl/glmod_doom.c
@@ -1432,7 +1432,7 @@ qboolean Mod_LoadDoomLevel(model_t *mod)
 
 	int *gl_nodes;
 
-	COM_StripExtension(mod->name, name);
+	COM_StripExtension(mod->name, name, sizeof(name));
 
 	if (!COM_LoadTempFile(va("%s", mod->name)))
 	{