diff --git a/source/python/classes/UioFiles.py b/source/python/classes/UioFiles.py
index 4023d8b3c7a433b8ca0af1c284bf19d0f4689c3c..3cca0df663e00657df3bbf7e976263252279b226 100644
--- a/source/python/classes/UioFiles.py
+++ b/source/python/classes/UioFiles.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/env python
 # -*- coding: utf-8 -*-
 #*******************************************************************************
 # @Author: Anne Fouilloux (University of Oslo)