diff --git a/backup-server.sh b/backup-server.sh
index ba6714a..7fedc05 100644
--- a/backup-server.sh
+++ b/backup-server.sh
@@ -49,10 +49,18 @@ BDIRS="etc var/customers"
 ENDDIR="/media/hddmount/duplicity"
 LOGDIR='/var/log/duplicity' # must exist
 
-# Setting the pass phrase to encrypt the backup files. Will use symmetrical keys in this case.
+# Setting the passphrase to encrypt the backup files. Will use symmetrical keys in this case.
 # Set one Password per Backup
-PASSPHRASE=$(dd if=/dev/urandom 2>/dev/null | tr -cd '[:alnum:]' | fold -w21 | head -1)
-export PASSPHRASE
+# Hint: generate a safe password: dd if=/dev/urandom 2>/dev/null | tr -cd '[:alnum:]' | fold -w21 | head -1
+PASSPHRASE="none"
+
+if [ $PASSPHRASE != "none" ]
+then
+  export PASSPHRASE
+else
+  echo "Please set a passphrase in the skript"
+  exit 1
+fi
 
 # encryption algorithm for gpg, disable for default (CAST5)
 # see available ones via 'gpg --version'