diff --git a/files/ganglia/puppetd_runtime.sh b/files/ganglia/puppetd_runtime.sh
index f0c716f..b935304 100644
--- a/files/ganglia/puppetd_runtime.sh
+++ b/files/ganglia/puppetd_runtime.sh
@@ -1,4 +1,4 @@
-#!/usr/bin/env bash
+#!/usr/bin/env ruby
 
 # plot puppetd last runtime
 
@@ -8,8 +8,7 @@ GMETRIC=$(which gmetric)
 FILE="/var/log/puppet/puppetd_run.log"
 [[ -r $FILE ]] || exit 0
 ## BSD and Linux have different stat commands
-VALUE=$(grep "Finished catalog run" /var/log/puppet/puppetd_run.log |tail -1 |sed 's/.*in \(.*\) seconds/\1/')
-VALUE=$(awk "BEGIN{print int($VALUE)}")
+VALUE=$(grep "Finished catalog run" ${FILE} |tail -1 |sed 's/.*in \(.*\) seconds/\1/'|awk '{print int($1)')
 
-GMETRIC="${GMETRIC} --dmax=30000 --tmax=350 --units=Seconds --type=float"
+GMETRIC="${GMETRIC} --dmax=30000 --tmax=350 --units=Seconds --type=int32"
 $GMETRIC --value=${VALUE} --name="Puppet runtime"