diff --git a/bench/utils/bin2mem.py b/bench/utils/bin2mem.py
index 0d9fa1677a778c1d272f2ba55a9e703f4ac03986..2aa5eec689f0d9e36d74a1a3174d31216c946c90 100755
--- a/bench/utils/bin2mem.py
+++ b/bench/utils/bin2mem.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/env python2
 
 # Copyright (c) 2020 Thales.
 #