--- a/host/utils/usrp2_card_burner.py
+++ b/host/utils/usrp2_card_burner.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python3
 #
 # Copyright 2010-2011 Ettus Research LLC
 # Copyright 2018 Ettus Research, a National Instruments Company
--- a/host/utils/usrp2_card_burner_gui.py
+++ b/host/utils/usrp2_card_burner_gui.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python3
 #
 # Copyright 2010-2011 Ettus Research LLC
 # Copyright 2018 Ettus Research, a National Instruments Company
--- a/host/utils/converter_benchmark.py
+++ b/host/utils/converter_benchmark.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python3
 #
 # Copyright 2015 Ettus Research LLC
 # Copyright 2018 Ettus Research, a National Instruments Company
--- a/host/utils/usrp2_recovery.py
+++ b/host/utils/usrp2_recovery.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python3
 #
 # Copyright 2010-2011 Ettus Research LLC
 # Copyright 2018 Ettus Research, a National Instruments Company
--- a/host/utils/latency/graph.py
+++ b/host/utils/latency/graph.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python3
 #
 # Copyright 2012 Ettus Research LLC
 # Copyright 2018 Ettus Research, a National Instruments Company
--- a/host/utils/latency/run_tests.py
+++ b/host/utils/latency/run_tests.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python3
 #
 # Copyright 2012 Ettus Research LLC
 # Copyright 2018 Ettus Research, a National Instruments Company
--- a/host/examples/python/benchmark_rate.py
+++ b/host/examples/python/benchmark_rate.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python3
 #
 # Copyright 2018 Ettus Research, a National Instruments Company
 #
--- a/host/examples/python/curses_fft.py
+++ b/host/examples/python/curses_fft.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python3
 #
 # Copyright 2017-2018 Ettus Research, a National Instruments Company
 #
--- a/host/examples/python/rx_to_file.py
+++ b/host/examples/python/rx_to_file.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python3
 #
 # Copyright 2017-2018 Ettus Research, a National Instruments Company
 #
--- a/host/examples/python/tx_waveforms.py
+++ b/host/examples/python/tx_waveforms.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python3
 #
 # Copyright 2017-2018 Ettus Research, a National Instruments Company
 #
