diff -up wsdd-0.4/src/wsdd.py.org wsdd-0.4/src/wsdd.py
--- wsdd-0.4/src/wsdd.py.org	2019-11-13 19:04:20.411758390 +0100
+++ wsdd-0.4/src/wsdd.py	2019-11-13 19:03:26.339623059 +0100
@@ -1,4 +1,4 @@
-#!/usr/bin/env python3
+#!/usr/bin/python3
 
 # Implements a target service according to the Web Service Discovery
 # specification.