diff --git a/etc/init/cpufreqd.conf b/etc/init/cpufreqd.conf
index 7990da1..f811304 100644
--- a/etc/init/cpufreqd.conf
+++ b/etc/init/cpufreqd.conf
@@ -8,5 +8,9 @@ stop on (runlevel [06] and (stopping udev))
 
 console none
 
+pre-start script
+	/sbin/CheckPid /var/run/cpufreqd.pid
+end script
+
 exec /usr/sbin/cpufreqd -D
 respawn