diff --git a/moonlight/js/moonlight-skulk.js b/moonlight/js/moonlight-skulk.js
index 730f4ad..c88777b 100644
--- a/moonlight/js/moonlight-skulk.js
+++ b/moonlight/js/moonlight-skulk.js
@@ -178,7 +178,7 @@ SPRITE_TOWNSFOLK_GUARD2 = 10;
 var WanderingSprite = function(game, x, y, spritetype) {
     this.update = function()
     {
-	if ( game.rnd.integerInRange(0, 100) > 80 )
+	if ( game.rnd.integerInRange(0, 100) < 80 )
 	    return;
 
 	running = [true, false][game.rnd.integerInRange(0, 1)];