diff --git a/Il2CppDumper/Program.cs b/Il2CppDumper/Program.cs
index 513f179..3d87594 100644
--- a/Il2CppDumper/Program.cs
+++ b/Il2CppDumper/Program.cs
@@ -17,7 +17,7 @@ namespace Il2CppInspector
             [Option('i', "bin", Required = true, HelpText = "IL2CPP binary file input", Default = "libil2cpp.so")]
             public string BinaryFile { get; set; }
 
-            [Option('m', "metadata", Required = true, HelpText = "IL2CPP metadata file input", Default = "global-metadata.data")]
+            [Option('m', "metadata", Required = true, HelpText = "IL2CPP metadata file input", Default = "global-metadata.dat")]
             public string MetadataFile { get; set; }
 
             [Option('c', "cs-out", Required = false, HelpText = "C# output file (when using single-file layout) or path (when using per namespace, assembly or class layout)", Default = "types.cs")]