diff --git a/contribs/cray/csm/slurmconfgen_smw.py b/contribs/cray/csm/slurmconfgen_smw.py

index 1d1aadedaf..b2f65c242b 100644

--- a/contribs/cray/csm/slurmconfgen_smw.py

+++ b/contribs/cray/csm/slurmconfgen_smw.py

@@ -1,4 +1,4 @@

-#!/usr/bin/env python

+#!/usr/bin/env python3

 #

 # Copyright 2015-2016 Hewlett Packard Enterprise Development LP

 """ A script to generate slurm.conf and gres.conf for a

diff --git a/contribs/cray/slurmconfgen.py.in b/contribs/cray/slurmconfgen.py.in

index 31de1a0c28..269b1d55a7 100644

--- a/contribs/cray/slurmconfgen.py.in

+++ b/contribs/cray/slurmconfgen.py.in

@@ -1,4 +1,4 @@

-#!/usr/bin/python

+#!/usr/bin/python3

 #

 # Copyright 2013 Hewlett Packard Enterprise Development LP

 #