diff --git a/ArmoredCar/ArmoredCar/MapsCollection.cs b/ArmoredCar/ArmoredCar/MapsCollection.cs
index 0bd5205..19195c8 100644
--- a/ArmoredCar/ArmoredCar/MapsCollection.cs
+++ b/ArmoredCar/ArmoredCar/MapsCollection.cs
@@ -89,13 +89,14 @@ namespace ArmoredCar
             {
                 File.Delete(filename);
             }
-            using (StreamWriter fs = new(filename))
+            using (FileStream f = new FileStream(filename, FileMode.Create))
+            using (StreamWriter sw = new StreamWriter(f, Encoding.UTF8))
             {
-                fs.WriteLine("MapsCollection");
+                sw.WriteLine("MapsCollection");
                 foreach (var storage in _mapStorages)
                 {
 
-                    fs.WriteLine($"{storage.Key}{separatorDict}{storage.Value.GetData(separatorDict, separatorData)}");
+                    sw.WriteLine($"{storage.Key}{separatorDict}{storage.Value.GetData(separatorDict, separatorData)}");
                 }
             }
             return true;
@@ -110,15 +111,16 @@ namespace ArmoredCar
             if (!File.Exists(filename))
             {
                 return false;
-            }           
-            using (StreamReader fs = new(filename))
+            }
+            using (FileStream f = new(filename, FileMode.Open))
+            using (StreamReader sw = new(f, Encoding.UTF8))
             {
 
-                if (!fs.ReadLine().Contains("MapsCollection"))                
+                if (!sw.ReadLine().Contains("MapsCollection"))                
                     return false;
                 string? line;
                 _mapStorages.Clear();
-                while ((line = fs.ReadLine()) != null)
+                while ((line = sw.ReadLine()) != null)
                 {                   
                     var elem = line.Split(separatorDict);
                     AbstractMap map = null;