diff --git a/home.admin/_bootstrap.sh b/home.admin/_bootstrap.sh
index 165e46376..9b594355c 100755
--- a/home.admin/_bootstrap.sh
+++ b/home.admin/_bootstrap.sh
@@ -46,6 +46,32 @@ displayClass="lcd"
 displayType=""
 fundRecovery=0
 
+##############################################
+# check raspiblitz.conf for outdated variables
+##############################################
+
+# change all cln to cl
+# https://github.com/rootzoll/raspiblitz/pull/2575#issuecomment-927261596
+if [ $(grep -c cln < /mnt/hdd/raspiblitz.conf) -gt 0 ];then
+  sudo sed -i 's/cln/cl/g' /mnt/hdd/raspiblitz.conf
+  sudo sed -i 's/cln/cl/g' _aliases
+
+  sudo sed -i 's/cln/cl/g' /home/bitcoin/.lightning/config 
+  sudo sed -i 's/cln/cl/g' /home/bitcoin/.lightning/testnet/config 
+  sudo sed -i 's/cln/cl/g' /home/bitcoin/.lightning/signet/config 
+ 
+  sudo -u bitcoin mv /home/bitcoin/cln-plugins-available /home/bitcoin/cl-plugins-available
+  sudo -u bitcoin mv /home/bitcoin/cln-plugins-enabled /home/bitcoin/cl-plugins-enabled
+  sudo -u bitcoin mv /home/bitcoin/tcln-plugins-enabled /home/bitcoin/tcl-plugins-enabled
+  sudo -u bitcoin mv /home/bitcoin/scln-plugins-enabled /home/bitcoin/scl-plugins-enabled
+
+  sudo sed -i 's/cln/cl/g'  /etc/systemd/system/lightningd.service
+  sudo sed -i 's/cln/cl/g'  /etc/systemd/system/tlightningd.service
+  sudo sed -i 's/cln/cl/g'  /etc/systemd/system/slightningd.service
+
+  sudo /home/admin/config.scripts/blitz.shutdown.sh reboot
+fi
+
 ################################
 # INIT raspiblitz.info
 ################################