diff --git a/examples/noise-amps-at-freqs.py b/examples/noise-amps-at-freqs.py
index 957511b..75497df 100755
--- a/examples/noise-amps-at-freqs.py
+++ b/examples/noise-amps-at-freqs.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+
 import st7735
 from PIL import Image, ImageDraw
 
diff --git a/examples/noise-profile.py b/examples/noise-profile.py
index be6a185..480815e 100755
--- a/examples/noise-profile.py
+++ b/examples/noise-profile.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+
 import st7735
 from PIL import Image, ImageDraw
 
diff --git a/examples/sensorcommunity_combined.py b/examples/sensorcommunity_combined.py
index a7aeb7b..bb9869d 100644
--- a/examples/sensorcommunity_combined.py
+++ b/examples/sensorcommunity_combined.py
@@ -1,3 +1,5 @@
+#!/usr/bin/env python3
+
 import colorsys
 import logging
 import time