diff --git a/engine/client/ref_common.c b/engine/client/ref_common.c
index ed40be5b..1a3f43cb 100644
--- a/engine/client/ref_common.c
+++ b/engine/client/ref_common.c
@@ -640,11 +640,11 @@ static void SetWidthAndHeightFromCommandLine( void )
 static void SetFullscreenModeFromCommandLine( void )
 {
 	if( Sys_CheckParm( "-borderless" ))
-		Cvar_DirectSet( &vid_fullscreen, "2" );
+		Cvar_DirectSetValue( &vid_fullscreen, WINDOW_MODE_BORDERLESS );
 	else if( Sys_CheckParm( "-fullscreen" ))
-		Cvar_DirectSet( &vid_fullscreen, "1" );
+		Cvar_DirectSetValue( &vid_fullscreen, WINDOW_MODE_FULLSCREEN );
 	else if( Sys_CheckParm( "-windowed" ))
-		Cvar_DirectSet( &vid_fullscreen, "0" );
+		Cvar_DirectSetValue( &vid_fullscreen, WINDOW_MODE_WINDOWED );
 }
 
 static void R_CollectRendererNames( void )
diff --git a/engine/platform/sdl1/vid_sdl1.c b/engine/platform/sdl1/vid_sdl1.c
index 88fc8c00..2917170c 100644
--- a/engine/platform/sdl1/vid_sdl1.c
+++ b/engine/platform/sdl1/vid_sdl1.c
@@ -489,7 +489,7 @@ qboolean VID_SetMode( void )
 	{
 		if( err == rserr_invalid_fullscreen )
 		{
-			Cvar_DirectSet( &vid_fullscreen, "0" );
+			Cvar_DirectSetValue( &vid_fullscreen, WINDOW_MODE_WINDOWED);
 			Con_Reportf( S_ERROR "%s: fullscreen unavailable in this mode\n", __func__ );
 			Sys_Warn( "fullscreen unavailable in this mode!" );
 			if(( err = R_ChangeDisplaySettings( iScreenWidth, iScreenHeight, WINDOW_MODE_WINDOWED )) == rserr_ok )
diff --git a/engine/platform/sdl2/vid_sdl2.c b/engine/platform/sdl2/vid_sdl2.c
index 7a641238..e9264147 100644
--- a/engine/platform/sdl2/vid_sdl2.c
+++ b/engine/platform/sdl2/vid_sdl2.c
@@ -1130,7 +1130,7 @@ qboolean VID_SetMode( void )
 	{
 		if( err == rserr_invalid_fullscreen )
 		{
-			Cvar_DirectSet( &vid_fullscreen, "0" );
+			Cvar_DirectSetValue( &vid_fullscreen, WINDOW_MODE_WINDOWED );
 			Con_Reportf( S_ERROR "%s: fullscreen unavailable in this mode\n", __func__ );
 			Sys_Warn( "fullscreen unavailable in this mode!" );
 			if(( err = R_ChangeDisplaySettings( iScreenWidth, iScreenHeight, WINDOW_MODE_WINDOWED )) == rserr_ok )