diff --git a/conf/machine/rpi-zero-w.conf b/conf/machine/rpi-zero-w.conf
index 3e42e3e..a4f2e66 100644
--- a/conf/machine/rpi-zero-w.conf
+++ b/conf/machine/rpi-zero-w.conf
@@ -1,5 +1,9 @@
 #@TYPE: Machine
-#@NAME: RaspberryPi Zero WiFi Development Board
+#@NAME: Raspberry Pi Zero W Development Board
+
+# Helium specific
+MACHINE_FRIENDLY_NAME = "Raspberry Pi Zero W"
+MACHINE_NUM_CORES = "1"
 
 require conf/machine/include/rpi-common.inc
 require conf/machine/raspberrypi0-wifi.conf
diff --git a/recipes-bsp/bootfiles/rpi-bootfiles.bbappend b/recipes-bsp/bootfiles/rpi-bootfiles.bbappend
index c54b10c..a6d3d37 100644
--- a/recipes-bsp/bootfiles/rpi-bootfiles.bbappend
+++ b/recipes-bsp/bootfiles/rpi-bootfiles.bbappend
@@ -1,5 +1,5 @@
 # Enable UART output from bootcode.bin
 
 do_configure() {
-	sed -i -e "s/BOOT_UART=0/BOOT_UART=1/" ${S}/bootcode.bin
+	sed -i "s/BOOT_UART=0/BOOT_UART=1/" ${S}/bootcode.bin
 }