diff --git a/public/index.html b/public/index.html
index df98006..aa05c8e 100644
--- a/public/index.html
+++ b/public/index.html
@@ -1,5 +1,5 @@
 <!doctype html>
-<html>
+<html lang="ru">
 
 <head lang='en'>
 	<meta charset='utf-8'>
@@ -24,7 +24,7 @@
 
 						<!-- Generator: Adobe Illustrator 19.0.0, SVG Export Plug-In  -->
 						<svg version="1.1" xmlns="http://www.w3.org/2000/svg" xmlns:xlink="http://www.w3.org/1999/xlink"
-							xmlns:a="http://ns.adobe.com/AdobeSVGViewerExtensions/3.0/" x="0px" y="0px" width="213.7px"
+						 x="0px" y="0px" width="213.7px"
 							height="213.7px" viewBox="0 0 213.7 213.7" enable-background="new 0 0 213.7 213.7"
 							xml:space="preserve">
 
diff --git a/src/GameLogic/gameField.js b/src/GameLogic/gameField.js
index 1912096..bb2bf6a 100644
--- a/src/GameLogic/gameField.js
+++ b/src/GameLogic/gameField.js
@@ -87,7 +87,7 @@ export class GameField {
         this.canvas.height = this.height;
         this.canvas.width = this.width;
         this.collisionManager.attachMap(this.map);
-        this.aiTanks.setCount(this.map._enemiesCount);
+        this.aiTanks.setCount(this.map == null ? null : this.map._enemiesCount);
     }
 
     async play(level, firstTime) {
diff --git a/src/Graphics/Map/mapParser.js b/src/Graphics/Map/mapParser.js
index f8d54d8..88a4af0 100644
--- a/src/Graphics/Map/mapParser.js
+++ b/src/Graphics/Map/mapParser.js
@@ -13,8 +13,8 @@ export class MapParser {
     async getMap(levelNumber, tileset) {
         let json = this.levelStorage.getLevel(levelNumber);
 
-        if (!json) {
-            let fetchResult = await fetch(`./stages/stage-${levelNumber}.json`);
+        if (json == null) {
+            let fetchResult = await fetch(`./stages/stage-${levelNumber}.json`).catch(console.log("Map not found!"));
             if (!fetchResult.ok)
                 return null;
             json = await fetchResult.text();