diff --git a/hosts/scripts/main_part.include b/hosts/scripts/main_part.include
index 88ffebc..2791bc1 100644
--- a/hosts/scripts/main_part.include
+++ b/hosts/scripts/main_part.include
@@ -18,7 +18,7 @@ backup_mirror_dir=$script_backup_dir/mirror
 script_dir=$hosts_base_dir/scripts
 
 ## - All backuped directories will be written to that file, to
-## - avoid  multiple execution. 
+## - avoid  multiple execution.
 ## -
 dirs_backup_done="$script_backup_dir/backup_dirs.lst"
 
@@ -30,13 +30,13 @@ export destHost script_backup_dir backup_archiv_dir backup_mirror_dir script_dir
 
 ## - Works even if "ssh_hopping" is not set
 ## -
-if [ "X$ssh_hopping" = "X" ] ; then 
-   ssh_hopping=false 
+if [ "X$ssh_hopping" = "X" ] ; then
+   ssh_hopping=false
 fi
 ## - Works even if "ssh_tunnel" is not set
 ## -
-if [ "X$ssh_tunnel" = "X" ] ; then 
-   ssh_tunnel=false 
+if [ "X$ssh_tunnel" = "X" ] ; then
+   ssh_tunnel=false
 fi
 
 if ! $ssh_hopping && ! $ssh_tunnel ; then
@@ -69,7 +69,7 @@ else
       ## -    delete existing ssh tunnels
       ## -
       tunnel_pid_old=`ps x | grep -e "$local_port:[^:]*:$target_port" | grep -v grep | awk '{print$1}'`
-      
+
       if [ -n "$tunnel_pid_old" ]; then
          kill $tunnel_pid_old
       fi
@@ -93,7 +93,7 @@ else
       ## -    delete existing ssh tunnels
       ## -
       tunnel_pid_old=`ps x | grep -e "$ssh_tunnel_local_port:$target_host:$ssh_tunnel_target_port" | grep -v grep | awk '{print$1}'`
-      
+
       if [ -n "$tunnel_pid_old" ]; then
          kill $tunnel_pid_old
       fi
@@ -133,7 +133,7 @@ if [ "$found" = "true" -o "$pgsql_backup" = "true"  -o "$mysql_backup" = "true"
    begin_m=`date +%M`
    backup_date=`date +"%d.%m.%Y"`
    backup_begin_timestamp=`date +"%s"`
-   
+
    if $_via_ssh_tunnel ; then
       echolog "\nBegin saving host \"$target_host\" : $backup_date ( ${begin_h}:${begin_m} h )\n"
    else
@@ -318,9 +318,9 @@ if [ "$found" = "true" -o "$pgsql_backup" = "true"  -o "$mysql_backup" = "true"
          else
             echolog "\nGoing to backup mysql databases..  ( `$date +%H`:`$date +%M` h )"
             export mysql_user mysql_password mysql_credential_args mysql_gzip
-            $script_dir/mysql_backup.sh 
+            $script_dir/mysql_backup.sh
          fi
-         ## - !! 
+         ## - !!
          if $restart_apache ;then
             $ssh ${ssh_user}@$srcHost "sudo /etc/init.d/apache2 restart"
          fi
@@ -349,7 +349,7 @@ if [ "$found" = "true" -o "$pgsql_backup" = "true"  -o "$mysql_backup" = "true"
          echolog "\nGoing to backup network directories..  ( `$date +%H`:`$date +%M` h )"
          for dir in $net_mounted_dir_backup ; do
             #echolog "\n\tBackup network directory $dir"
-            export mount_netdir 
+            export mount_netdir
             backup_dir=$dir $script_dir/net_mounted_dir_backup.sh
          done
       fi
@@ -379,10 +379,10 @@ if [ "$found" = "true" -o "$pgsql_backup" = "true"  -o "$mysql_backup" = "true"
          declare -a nextcloud_account_arr
 
          # - Splitt on newlines
-         # - 
+         # -
          # - Use: IFS=$'\n'
          # -
-         IFS=$'\n' ; for _account in $nextcloud_accounts ; do 
+         IFS=$'\n' ; for _account in $nextcloud_accounts ; do
             nextcloud_account_arr+=("$(trim $_account)");
          done
 
@@ -487,6 +487,8 @@ fi
 
 if $_via_ssh_tunnel ; then
    if [[ -n "$tunnel_pid" ]]; then
-      kill "$tunnel_pid"
+      if ps --pd ${tunnel_pid} > /dev/null 2>&^; then
+         kill "$tunnel_pid"
+      fi
    fi
 fi