diff --git a/logger.php b/logger.php
index bcf1a5b..09aa7ff 100644
--- a/logger.php
+++ b/logger.php
@@ -61,6 +61,34 @@ class logger
       @param mixed ...$message Message to log */
   public function log ($priority=LOG_NOTICE, $message)
   {
+    if (! is_int ($priority))
+    {
+      switch ($priority)
+      {
+      case "LOG_EMERG":   $priority = LOG_EMERG;   break;
+      case "LOG_ALERT":   $priority = LOG_ALERT;   break;
+      case "LOG_CRIT":    $priority = LOG_CRIT;    break;
+      case "LOG_ERR":     $priority = LOG_ERR;     break;
+      case "LOG_WARNING": $priority = LOG_WARNING; break;
+      case "LOG_NOTICE":  $priority = LOG_NOTICE;  break;
+      case "LOG_INFO":    $priority = LOG_INFO;    break;
+      case "LOG_DEBUG":   $priority = LOG_DEBUG;   break;
+      }
+    }
+    if (! is_int ($this->loglevelmin))
+    {
+      switch ($this->loglevelmin)
+      {
+      case "LOG_EMERG":   $this->loglevelmin = LOG_EMERG;   break;
+      case "LOG_ALERT":   $this->loglevelmin = LOG_ALERT;   break;
+      case "LOG_CRIT":    $this->loglevelmin = LOG_CRIT;    break;
+      case "LOG_ERR":     $this->loglevelmin = LOG_ERR;     break;
+      case "LOG_WARNING": $this->loglevelmin = LOG_WARNING; break;
+      case "LOG_NOTICE":  $this->loglevelmin = LOG_NOTICE;  break;
+      case "LOG_INFO":    $this->loglevelmin = LOG_INFO;    break;
+      case "LOG_DEBUG":   $this->loglevelmin = LOG_DEBUG;   break;
+      }
+    }
     if ($this->loglevelmin < $priority)
       return;
     $backtrace = debug_backtrace();
@@ -171,6 +199,30 @@ class logger
       @param integer|null $priority Priority to use */
   private function logsyslog ($message, $priority)
   {
+    if (is_string ($this->syslogFacility))
+    {
+      switch ($this->syslogFacility)
+      {
+      case "LOG_AUTH":     $this->syslogFacility=LOG_AUTH;     break;
+      case "LOG_AUTHPRIV": $this->syslogFacility=LOG_AUTHPRIV; break;
+      case "LOG_DAEMON":   $this->syslogFacility=LOG_DAEMON;   break;
+      case "LOG_KERN":     $this->syslogFacility=LOG_KERN;     break;
+      case "LOG_LOCAL0":   $this->syslogFacility=LOG_LOCAL0;   break;
+      case "LOG_LOCAL1":   $this->syslogFacility=LOG_LOCAL1;   break;
+      case "LOG_LOCAL2":   $this->syslogFacility=LOG_LOCAL2;   break;
+      case "LOG_LOCAL3":   $this->syslogFacility=LOG_LOCAL3;   break;
+      case "LOG_LOCAL4":   $this->syslogFacility=LOG_LOCAL4;   break;
+      case "LOG_LOCAL5":   $this->syslogFacility=LOG_LOCAL5;   break;
+      case "LOG_LOCAL6":   $this->syslogFacility=LOG_LOCAL6;   break;
+      case "LOG_LOCAL7":   $this->syslogFacility=LOG_LOCAL7;   break;
+      case "LOG_LPR":      $this->syslogFacility=LOG_LPR;      break;
+      case "LOG_MAIL":     $this->syslogFacility=LOG_MAIL;     break;
+      case "LOG_NEWS":     $this->syslogFacility=LOG_NEWS;     break;
+      case "LOG_SYSLOG":   $this->syslogFacility=LOG_SYSLOG;   break;
+      case "LOG_USER":     $this->syslogFacility=LOG_USER;     break;
+      case "LOG_UUCP":     $this->syslogFacility=LOG_UUCP;     break;
+      }
+    }
     openlog ($this->syslogPrefix, NULL, $this->syslogFacility);
     syslog ($priority, $message);
   }