diff --git a/readme.txt b/readme.txt
index 18aab88..9e05a25 100644
--- a/readme.txt
+++ b/readme.txt
@@ -4,7 +4,7 @@ Donate link: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_i
 Tags: maps, gpx, gps, graph, chart, google maps, highcharts, track, garmin, image, nextgen-gallery, nextgen, exif, OpenStreetMap, OpenCycleMap, Hike&Bike, heart rate, heartrate, cadence
 Requires at least: 2.0.0
 Tested up to: 3.3
-Stable tag: 1.1.17
+Stable tag: 1.1.18
 License: GPLv2 or later
 
 Draws a gpx track with altitude graph
diff --git a/wp-gpx-maps.php b/wp-gpx-maps.php
index 9b24270..be7125d 100644
--- a/wp-gpx-maps.php
+++ b/wp-gpx-maps.php
@@ -3,7 +3,7 @@
 Plugin Name: WP-GPX-Maps
 Plugin URI: http://www.darwinner.it/
 Description: Draws a gpx track with altitude graph
-Version: 1.1.17
+Version: 1.1.18
 Author: Bastianon Massimo
 Author URI: http://www.pedemontanadelgrappa.it/
 License: GPL
@@ -274,7 +274,7 @@ function handle_WP_GPX_Maps_Shortcodes($attr, $content='')
 	$ngimgs_data = '';
 	if ( $ngGalleries != '' || $ngImages != '' )
 	{
-		$ngimgs = getNGGalleryImages($ngGalleries, $ngImages, &$error);
+		$ngimgs = getNGGalleryImages($ngGalleries, $ngImages, $error);
 		$ngimgs_data ='';	
 		foreach ($ngimgs as $img) {		
 			$data = $img['data'];