diff --git a/examples/mqtt-all.py b/examples/mqtt-all.py
index ecab4a35..b4fd19ef 100755
--- a/examples/mqtt-all.py
+++ b/examples/mqtt-all.py
@@ -133,10 +133,10 @@ def display_status(disp, mqtt_broker):
     text_colour = (255, 255, 255)
     back_colour = (0, 170, 170) if check_wifi() else (85, 15, 15)
     device_serial_number = get_serial_number()
-    message = f"{device_serial_number}\nWi-Fi: {wifi_status}\nmqtt-broker: {mqtt_broker}"
+    message = f"Serial: {device_serial_number}\nWi-Fi: {wifi_status}\nmqtt-broker: {mqtt_broker}"
     img = Image.new("RGB", (WIDTH, HEIGHT), color=(0, 0, 0))
     draw = ImageDraw.Draw(img)
-    x1, y1, x2, y2 = font.getbbox(message)
+    x1, y1, x2, y2 = draw.textbbox((0,0), message, font=font)
     size_x = x2 - x1
     size_y = y2 - y1
     x = (WIDTH - size_x) / 2
diff --git a/examples/noise-amps-at-freqs.py b/examples/noise-amps-at-freqs.py
index 957511b4..75497df2 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 be6a1855..480815e6 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 a7aeb7b8..bb9869d6 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
diff --git a/install.sh b/install.sh
index 61f1a4a6..d2d973a9 100755
--- a/install.sh
+++ b/install.sh
@@ -162,13 +162,13 @@ function apt_pkg_install {
 
 function pip_pkg_install {
 	# A null Keyring prevents pip stalling in the background
-	PYTHON_KEYRING_BACKEND=keyring.backends.null.Keyring $PYTHON -m pip install --upgrade "$@"
+	PYTHON_KEYRING_BACKEND=keyring.backends.null.Keyring $PYTHON -m pip install --prefer-binary --upgrade "$@"
 	check_for_error
 }
 
 function pip_requirements_install {
 	# A null Keyring prevents pip stalling in the background
-	PYTHON_KEYRING_BACKEND=keyring.backends.null.Keyring $PYTHON -m pip install -r "$@"
+	PYTHON_KEYRING_BACKEND=keyring.backends.null.Keyring $PYTHON -m pip install --prefer-binary -r "$@"
 	check_for_error
 }