diff --git a/moonlight/js/moonlight-skulk.js b/moonlight/js/moonlight-skulk.js
index a5f1659..d2cf85c 100644
--- a/moonlight/js/moonlight-skulk.js
+++ b/moonlight/js/moonlight-skulk.js
@@ -1071,7 +1071,7 @@ var AISprite = function(game, x, y, key, frame) {
 	var nearest = null;
 	var lastdist = 0.0;
 	if ( (this.path.length < 1) || this.path_index >= this.path.length) {
-	    for ( var i = 0 ; i < length(aiSprites); i++ ) {
+	    for ( var i = 0 ; i < aiSprites.length; i++ ) {
 		spr = aiSprites[i];
 		if ( spr.sprite_group !== "townsfolk-guard" ) 
 		    continue;