diff --git a/src/gui_qt/io/filedialog.py b/src/gui_qt/io/filedialog.py
index e968e44..424a542 100644
--- a/src/gui_qt/io/filedialog.py
+++ b/src/gui_qt/io/filedialog.py
@@ -47,6 +47,8 @@ class FileDialog(QtWidgets.QFileDialog):
 
     @staticmethod
     def is_valid(filename: str):
+        return True
+
         bad_character = r'/*<>\|:"'
         for c in bad_character:
             if c in filename: