diff --git a/engine/client/vid_common.c b/engine/client/vid_common.c
index 4db1ff24..23007c70 100644
--- a/engine/client/vid_common.c
+++ b/engine/client/vid_common.c
@@ -26,7 +26,7 @@ static CVAR_DEFINE_AUTO( vid_scale, "1.0", FCVAR_RENDERINFO|FCVAR_VIDRESTART, "p
 
 CVAR_DEFINE_AUTO( vid_highdpi, "1",  FCVAR_RENDERINFO|FCVAR_VIDRESTART, "enable High-DPI mode" );
 CVAR_DEFINE_AUTO( vid_maximized, "0", FCVAR_RENDERINFO, "window maximized state, read-only" );
-CVAR_DEFINE( vid_fullscreen, "fullscreen", "0", FCVAR_RENDERINFO|FCVAR_VIDRESTART, "fullscreen state (0 windowed, 1 fullscreen, 2 borderless)" );
+CVAR_DEFINE( vid_fullscreen, "fullscreen", DEFAULT_FULLSCREEN, FCVAR_RENDERINFO|FCVAR_VIDRESTART, "fullscreen state (0 windowed, 1 fullscreen, 2 borderless)" );
 CVAR_DEFINE( window_width, "width", "0", FCVAR_RENDERINFO|FCVAR_VIDRESTART, "screen width" );
 CVAR_DEFINE( window_height, "height", "0", FCVAR_RENDERINFO|FCVAR_VIDRESTART, "screen height" );
 CVAR_DEFINE( window_xpos, "_window_xpos", "-1", FCVAR_RENDERINFO, "window position by horizontal" );