diff --git a/lib/src/utils/MatrixFile.dart b/lib/src/utils/MatrixFile.dart
index ee637d17..87bb5601 100644
--- a/lib/src/utils/MatrixFile.dart
+++ b/lib/src/utils/MatrixFile.dart
@@ -2,6 +2,6 @@ class MatrixFile {
   List<int> bytes;
   String path;
 
-  MatrixFile({this.bytes, this.path});
+  MatrixFile({this.bytes, String path}) : this.path = path.toLowerCase();
   int get size => bytes.length;
 }