diff --git a/web/classes/frontcontroller.class.php b/web/classes/frontcontroller.class.php
index dd4c1ceada..a617d2fb42 100644
--- a/web/classes/frontcontroller.class.php
+++ b/web/classes/frontcontroller.class.php
@@ -690,7 +690,7 @@ public static function ErrorHandler($errno, $errmsg, $filename, $linenum, $vars)
         if(ini_get('log_errors'))
         {
             error_log(sprintf("PHP %s:  %s in %s on line %d",
-                              $errortype[$errno], $errmsg, $filename, $linenum));
+                              isset($errortype[$errno])? $errortype[$errno] : "$errno", $errmsg, $filename, $linenum));
         }
 
         // Display it?