diff --git a/check_cpu b/check_cpu
index bbea1f2686b22353d29cebc82318da82224a94c8..c5db3e70e0fcc892f057742634be5a4b72ee9132 100755
--- a/check_cpu
+++ b/check_cpu
@@ -19,13 +19,14 @@
 # 2022-03-10  v1.8  <axel.hahn@iml.unibe.ch> add cli param -p; update help
 # 2022-03-22  v1.9  <axel.hahn@iml.unibe.ch> fix syntax error on 100% idle
 # 2022-04-14  v1.10 <axel.hahn@iml.unibe.ch> show consuming cpu processes with top and ps
+# 2022-08-29  v1.11 <axel.hahn@iml.unibe.ch> replace pipe to prevent start of metrics section
 # ======================================================================
 
 
 . $(dirname $0)/inc_pluginfunctions
 
 self_APPNAME=$( basename $0 | tr [:lower:] [:upper:] )
-self_APPVERSION=1.9
+self_APPVERSION=1.11
 
 # ----------------------------------------------------------------------
 # functions
@@ -45,6 +46,9 @@ ______________________________________________________________________
 check cpu usage and cpu wait
 Cpu infos are taken from output of top command.
 
+Oh higher cpu usage it can show processes that cause cpu waits and
+with most cpu consumption.
+
 SYNTAX:
 $(basename $0) [-w WARN_LIMIT] [-c CRITICAL_LIMIT] [-i CRITICAL_IO_WAIT] [-p PROCESS_LIMIT]
 
@@ -147,7 +151,9 @@ ph.status "CPU-USAGE [%] ${cpuNonIdle} ... user: ${cpuUser} - system: ${cpuSyste
 
 # v1.6: show processes of cpu wait (status D in proces list)
 plist=$( ps aux | awk '$8 ~ /(D|STAT)/ { print $0 }' )
-echo "$plist" | grep "[0-9]" >/dev/null \
+
+# replace pipe to prevent start of metrics section
+echo "$plist" | tr '|' ':' | grep "[0-9]" >/dev/null \
     && echo \
     && echo "For analysis of cpu waits - processes with status D:" \
     && echo "$plist"
@@ -161,7 +167,7 @@ if [ $iUsed -gt $iMinCpuUsageToShowProcesses ]; then
   topout=$( top -b -n 1 -d 0.1 )
   typeset -i iStart=$( echo "$topout" | grep -n "PID.*USER" | cut -f 1 -d ':' )
   typeset -i iEnd=$iStart+5
-  echo "$topout" | sed -n "${iStart},${iEnd}p"
+  echo "$topout" | sed -n "${iStart},${iEnd}p" | tr '|' ':' 
   echo
   echo "output of ps:"
   ps aux | head -1; ps aux | sort -nrk 3,3 | head -n 5