diff --git a/readme.txt b/readme.txt
index 41782c2..18773b1 100644
--- a/readme.txt
+++ b/readme.txt
@@ -5,7 +5,7 @@ Donate link: https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_i
 Tags: maps, gpx, gps, graph, chart, google maps, track, garmin, image, nextgen-gallery, nextgen, exif, OpenStreetMap, OpenCycleMap, Hike&Bike, heart rate, heartrate, cadence
 Requires at least: 2.0.0
 Tested up to: 4.4.1
-Stable tag: 1.3.11
+Stable tag: 1.3.10
 
 Draws a gpx track with altitude graph. You can also display your nextgen gallery images in the map.
 
@@ -154,8 +154,8 @@ Yes!
 1. Altitude & Speed & Hearth rate
 
 == Changelog ==
-= 1.3.10 =
-* new Slovak language (thanks to Dan)
+= 1.3.12 =
+* Fix incompatibility with Debian PHP7 (thanks to phbaer) https://github.com/devfarm-it/wp-gpx-maps/pull/5
 = 1.3.10 =
 * Improved german translations (thanks to Konrad) http://tadesse.de/7882/2015-wanderung-ostrov-tisa-ii/
 = 1.3.9 =
diff --git a/wp-gpx-maps.php b/wp-gpx-maps.php
index ce10f8b..ae5ed9c 100644
--- a/wp-gpx-maps.php
+++ b/wp-gpx-maps.php
@@ -3,7 +3,7 @@
 Plugin Name: WP-GPX-Maps
 Plugin URI: http://www.devfarm.it/
 Description: Draws a GPX track with altitude chart
-Version: 1.3.11
+Version: 1.3.12
 Author: Bastianon Massimo
 Author URI: http://www.pedemontanadelgrappa.it/
 */
diff --git a/wp-gpx-maps_utils.php b/wp-gpx-maps_utils.php
index 503408f..1e0bdda 100644
--- a/wp-gpx-maps_utils.php
+++ b/wp-gpx-maps_utils.php
@@ -216,12 +216,11 @@
 		if($gpx === FALSE) 
 			return;
 		
-		$gpx->registerXPathNamespace('10', 'http://www.topografix.com/GPX/1/0'); 
-		$gpx->registerXPathNamespace('11', 'http://www.topografix.com/GPX/1/1'); 	
-		$gpx->registerXPathNamespace('gpxtpx', 'http://www.garmin.com/xmlschemas/TrackPointExtension/v1'); 
-		
-		$nodes = $gpx->xpath('//trk | //10:trk | //11:trk');
+		$gpx->registerXPathNamespace('a', 'http://www.topografix.com/GPX/1/0');
+		$gpx->registerXPathNamespace('b', 'http://www.topografix.com/GPX/1/1');
+		$gpx->registerXPathNamespace('gpxtpx', 'http://www.garmin.com/xmlschemas/TrackPointExtension/v1');
 		
+		$nodes = $gpx->xpath('//trk | //a:trk | //b:trk');
 		//normal gpx
 		
 		if ( count($nodes) > 0 )	
@@ -232,11 +231,11 @@
 			
 				$trk = simplexml_load_string($_trk->asXML()); 
 				
-				$trk->registerXPathNamespace('10', 'http://www.topografix.com/GPX/1/0'); 
-				$trk->registerXPathNamespace('11', 'http://www.topografix.com/GPX/1/1'); 
-				$trk->registerXPathNamespace('gpxtpx', 'http://www.garmin.com/xmlschemas/TrackPointExtension/v1'); 				
+				$trk->registerXPathNamespace('a', 'http://www.topografix.com/GPX/1/0');
+				$trk->registerXPathNamespace('b', 'http://www.topografix.com/GPX/1/1');
+				$trk->registerXPathNamespace('gpxtpx', 'http://www.garmin.com/xmlschemas/TrackPointExtension/v1');
 
-				$trkpts = $trk->xpath('//trkpt | //10:trkpt | //11:trkpt');		
+				$trkpts = $trk->xpath('//trkpt | //a:trkpt | //b:trkpt');
 				
 				$lastLat = 0;
 				$lastLon = 0;
@@ -498,7 +497,7 @@
 			
 				//gpx strange case
 
-				$nodes = $gpx->xpath('//rtept | //10:rtept | //11:rtept');
+				$nodes = $gpx->xpath('//rtept | //a:rtept | //b:rtept');
 				if ( count($nodes) > 0 )
 				{
 				
@@ -581,9 +580,9 @@
 				return $points;
 			}
 		
-			$gpx->registerXPathNamespace('10', 'http://www.topografix.com/GPX/1/0'); 
-			$gpx->registerXPathNamespace('11', 'http://www.topografix.com/GPX/1/1'); 
-			$nodes = $gpx->xpath('//wpt | //10:wpt | //11:wpt');
+			$gpx->registerXPathNamespace('a', 'http://www.topografix.com/GPX/1/0');
+			$gpx->registerXPathNamespace('b', 'http://www.topografix.com/GPX/1/1');
+			$nodes = $gpx->xpath('//wpt | //a:wpt | //b:wpt');
 			global $wpdb;
 			
 			if ( count($nodes) > 0 )	
@@ -689,4 +688,4 @@
 
 
 	
-?>
\ No newline at end of file
+?>