diff --git a/sdl.c b/sdl.c
index 2cd2fd511b..3de59d3861 100644
--- a/sdl.c
+++ b/sdl.c
@@ -501,7 +501,7 @@ static void SdlVideoStop()
 
 static int SdlVideoMainLoop()
 {
-	uint32 next_tick = SDL_CALL SDL_GetTicks() + 30, cur_ticks, pal_tick ;
+	uint32 next_tick = SDL_CALL SDL_GetTicks() + 30, cur_ticks, pal_tick = 0;
 	int i;
 	uint32 mod;
 	int numkeys;