diff --git a/plugins/system/debsecan b/plugins/system/debsecan
index 1dba81f7..b0b27e9d 100755
--- a/plugins/system/debsecan
+++ b/plugins/system/debsecan
@@ -59,11 +59,12 @@ EOF_
   exit 0
 fi
 
-debsecan 2> /dev/null > /tmp/debsecan.munin.$$
-high=`grep -c 'high urgency' /tmp/debsecan.munin.$$`
-medium=`grep -c 'medium urgency' /tmp/debsecan.munin.$$`
-low=`grep -c 'low urgency)' /tmp/debsecan.munin.$$`
-other=`grep -c -v -e 'low urgency' -e 'medium urgency' -e 'high urgency' /tmp/debsecan.munin.$$`
+OUT=`mktemp -t debescan.XXXXXX`
+debsecan 2> /dev/null > ${OUT}
+high=`grep -c 'high urgency' ${OUT}`
+medium=`grep -c 'medium urgency' ${OUT}`
+low=`grep -c 'low urgency)' ${OUT}`
+other=`grep -c -v -e 'low urgency' -e 'medium urgency' -e 'high urgency' ${OUT}`
 cat <<EOF_
 high.value $high
 medium.value $medium
@@ -71,4 +72,4 @@ low.value $low
 other.value $other
 EOF_
 
-rm -f /tmp/debsecan.munin.$$
+rm -f ${OUT}