diff --git a/i3blocks/cpu b/i3blocks/cpu
index ff0e51a..2e8d052 100755
--- a/i3blocks/cpu
+++ b/i3blocks/cpu
@@ -1,6 +1,6 @@
 #!/usr/bin/env bash
 
-utilisation=$(mpstat | awk '$12 ~ /[0-9.]+/ { print 100 - $12"%" }')
+utilisation=$(mpstat 1 1 --dec=0 | tail -n 1 | awk '{print $3}' )%
 temperature_path=/sys/devices/platform/coretemp.0/hwmon/hwmon*/temp1_input
 load="↑ $(awk '{print $1}' /proc/loadavg)"
 temperature=$(($(cat $temperature_path)/1000))°C