diff --git a/moonlight/js/moonlight-skulk.js b/moonlight/js/moonlight-skulk.js
index 5842fdd..1268f1f 100644
--- a/moonlight/js/moonlight-skulk.js
+++ b/moonlight/js/moonlight-skulk.js
@@ -269,6 +269,9 @@ GameState.prototype.updateShadowTexture = function() {
 
     // Iterate through each of the lights and draw the glow
     this.staticLights.forEach(function(light) {
+	if ( ! light.intersectRaw(game.camera.x, game.camera.y, game.width, game.height) ) {
+	    continue;
+	}
         // Randomly change the radius each frame
         var radius = light.radius + game.rnd.integerInRange(1,10);