diff --git a/OSM_Regions/Utils/RegionUtils.cs b/OSM_Regions/Utils/RegionUtils.cs
index a045754..a075ed4 100644
--- a/OSM_Regions/Utils/RegionUtils.cs
+++ b/OSM_Regions/Utils/RegionUtils.cs
@@ -6,8 +6,8 @@ public static class RegionUtils
 {
     public static long GetRegionIdFromCoordinates(float lat, float lon, float regionSize)
     {
-        string latStr = $"{Math.Floor(lat / regionSize):000000}".Replace(".","").Replace(",", "");
-        string lonStr = $"{Math.Floor(lon / regionSize):000000}".Replace(".","").Replace(",", "");
+        string latStr = $"{Math.Floor((90 + lat) / regionSize):000000}";
+        string lonStr = $"{Math.Floor((180 + lon) / regionSize):000000}";
         return long.Parse(string.Concat(latStr, lonStr));
     }