diff --git a/spielspass/capacity_check.sh b/spielspass/capacity_check.sh
index 682f2fc..ae18faa 100755
--- a/spielspass/capacity_check.sh
+++ b/spielspass/capacity_check.sh
@@ -3,12 +3,14 @@
  MAX=15
  ## looks for mounted filesystems, but not proc,sys,...
  DISKS=`mount |grep -iv proc |grep -iv sysfs |awk '{print $3}'`
+ # retrieve the IP, as the hostname is not always unique
+ IP=$(/sbin/ifconfig eth0 | grep "inet addr:" | sed 's/^.*inet addr:\([0-9\.]*\).*$/\1/')
 
  for DISK in $DISKS; do
          USAGE=`df -k $DISK | tail -n 1 | awk '{print $5}' | cut -d"%" -f1`
          # if no number is given as percentage, do nothing
-         echo "$USAGE" |grep -q [0-9] && if [ $USAGE -gt $MAX ]; then
-                 echo "`uname -n` $DISK is at ${USAGE}% capacity" | mail -s "[diskspace] $DISK explodiert gleich" root@mutter.sao
+         echo "$USAGE" |grep -q [0-9] && if [ "$USAGE" -gt "$MAX" ]; then
+                 echo "`uname -n` ($IP) $DISK is at ${USAGE}% capacity" | mail -s "[diskspace] $DISK explodiert gleich" space@admin.systemausfall.org
          fi
  done