diff --git a/js/battle.js b/js/battle.js
index fc07f6d5b..fc23309a7 100644
--- a/js/battle.js
+++ b/js/battle.js
@@ -2222,7 +2222,8 @@ var Battle = (function () {
 	};
 	Battle.prototype.updateGen = function () {
 		if (this.gen < 3) this.backdropImage = 'bg-gen1.png';
-		else if (this.gen < 6) this.backdropImage = 'bg.jpg';
+		if (this.gen == 3) this.backdropImage = 'bg-gen3.png';
+		else if (this.gen < 5) this.backdropImage = 'bg.jpg';
 		if (this.bgElem) this.bgElem.css('background-image', 'url(' + Tools.resourcePrefix + 'fx/' + this.backdropImage + ')');
 	};
 	Battle.prototype.reset = function (dontResetSound) {