diff --git a/src/Adapter/GPX.php b/src/Adapter/GPX.php
index 1ac5a2d3..2d68119d 100644
--- a/src/Adapter/GPX.php
+++ b/src/Adapter/GPX.php
@@ -457,7 +457,7 @@ private function linestringToGPX($geom)
     public function collectionToGPX(Collection $geometry): string
     {
         $metadata = self::processGeometryData($geometry, $this->gpxTypes->get('metadataType'));
-        $metadata = empty($metadata) || !in_array('metadataType', $this->gpxTypes->get('gpxType'))
+        $metadata = empty($metadata) || !in_array('metadata', $this->gpxTypes->get('gpxType'))
                 ? ''
                 : "<metadata>\n{$metadata}</metadata>\n\n";
         $wayPoints = $routes = $tracks = "";
diff --git a/src/Adapter/GpxTypes.php b/src/Adapter/GpxTypes.php
index 9edf0fe6..1c0741f1 100644
--- a/src/Adapter/GpxTypes.php
+++ b/src/Adapter/GpxTypes.php
@@ -124,7 +124,7 @@ public function __construct(?array $allowedElements = null)
         $this->allowedTrkTypeElements = self::$trkTypeElements;
         $this->allowedRteTypeElements = self::$rteTypeElements;
         $this->allowedWptTypeElements = self::$wptTypeElements;
-        $this->allowedTrkptTypeElements = self::$trkTypeElements;
+        $this->allowedTrkptTypeElements = self::$trkptTypeElements;
         $this->allowedRteptTypeElements = self::$rteptTypeElements;
         $this->allowedMetadataTypeElements = self::$metadataTypeElements;