diff --git a/web/ajax/log.php b/web/ajax/log.php
index e5096b03d..4fb1ebed7 100644
--- a/web/ajax/log.php
+++ b/web/ajax/log.php
@@ -10,7 +10,8 @@ switch ( $_REQUEST['task'] )
             logInit( array( 'id' => "web_js" ) );
 
             $string = $_POST['message'];
-            $file = preg_replace( '/\w+:\/\/\w+\//', '', $_POST['file'] );
+
+            $file = !empty($_POST['file']) ? preg_replace( '/\w+:\/\/\w+\//', '', $_POST['file'] ) : '';
             if ( !empty( $_POST['line'] ) )
                 $line = $_POST['line'];
             else
diff --git a/web/js/logger.js b/web/js/logger.js
index e7f98c301..1f4eb6752 100644
--- a/web/js/logger.js
+++ b/web/js/logger.js
@@ -57,8 +57,10 @@ function logReport( level, message, file, line )
     requestParms += "&level="+level+"&message="+encodeURIComponent(message);
     if ( file )
         requestParms += "&file="+file;
-    else
+    else if ( location.search ) {
+		//location.search is the querystring part, so ?blah=blah but there is almost never any value to this
         requestParms += "&file="+location.search;
+	}
     if ( line )
         requestParms += "&line="+line;
     debugReq.send( requestParms );