diff --git a/package/lean/autocore/files/arm/sbin/cpuinfo b/package/lean/autocore/files/arm/sbin/cpuinfo
index 1ea33f869e..630e92de53 100755
--- a/package/lean/autocore/files/arm/sbin/cpuinfo
+++ b/package/lean/autocore/files/arm/sbin/cpuinfo
@@ -18,7 +18,7 @@ if grep -q "bcm27xx" "/etc/openwrt_release"; then
 	cpu_temp="$(vcgencmd measure_temp | awk -F '=' '{print $2}' | awk -F "'" '{print $1}')°C"
 else
 	[ -e "/sys/class/thermal/thermal_zone0/temp" ] && \
-		cpu_temp="$(awk "BEGIN{printf (\"%.1f\n\",$(cat "/sys/class/thermal/thermal_zone0/temp")/1000)}")°C"
+		cpu_temp="$(awk '{printf("%.1f°C", $0 / 1000)}' /sys/class/thermal/thermal_zone0/temp)"
 fi
 
 if [ -z "${cpu_freq}" ] && [ -z "${cpu_temp}" ]; then