diff --git a/tools/converters/matDL_dis.py b/tools/converters/matDL_dis.py
old mode 100644
new mode 100755
index 19d54ee73..56ed3f3f4
--- a/tools/converters/matDL_dis.py
+++ b/tools/converters/matDL_dis.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+
 from argparse import ArgumentParser
 import struct
 import os