diff --git a/code/sdl/sdl_glimp.c b/code/sdl/sdl_glimp.c
index f9b3e845..d7745113 100644
--- a/code/sdl/sdl_glimp.c
+++ b/code/sdl/sdl_glimp.c
@@ -435,7 +435,7 @@ static int GLimp_SetMode(int mode, qboolean fullscreen, qboolean noborder)
 #endif
 
 		if( ( SDL_window = SDL_CreateWindow( CLIENT_WINDOW_TITLE, x, y,
-				glConfig.vidWidth, glConfig.vidHeight, flags ) ) == 0 )
+				glConfig.vidWidth, glConfig.vidHeight, flags ) ) == NULL )
 		{
 			ri.Printf( PRINT_DEVELOPER, "SDL_CreateWindow failed: %s\n", SDL_GetError( ) );
 			continue;