diff --git a/src/dumper/dumper.cs b/src/dumper/dumper.cs
index c889f45..286f710 100644
--- a/src/dumper/dumper.cs
+++ b/src/dumper/dumper.cs
@@ -26,10 +26,20 @@ class Dumper
         /*
          *  ensure mapping
          */
-        string mappingPath = Path.Combine(Path.GetTempPath(), "DeadByDaylight.usmap");
-        bool hasDownloadedMapping = await DownloadMappingFileAsync(Constants.MappingURL, mappingPath);
-        if (!hasDownloadedMapping)
-            return false;
+        string mappingPath;
+
+        string baseDir = AppDomain.CurrentDomain.BaseDirectory;
+        string localMappingPath = Path.GetFullPath(Path.Combine(baseDir, "..", "..", "..", "res", "mappings", "latest-xbox.usmap"));
+        if (File.Exists(localMappingPath))
+            mappingPath = localMappingPath;
+        else
+        {
+            mappingPath = Path.Combine(Path.GetTempPath(), "DeadByDaylight.usmap");
+            bool hasDownloadedMapping = await DownloadMappingFileAsync(Constants.MappingURL, mappingPath);
+            if (!hasDownloadedMapping)
+                return false;
+        }
+
 
         /*
          * compression setup