diff --git a/src/Netzmacht/Contao/Leaflet/Mapper/Layer/OverpassLayerMapper.php b/src/Netzmacht/Contao/Leaflet/Mapper/Layer/OverpassLayerMapper.php
index 1f9029d..afd093c 100644
--- a/src/Netzmacht/Contao/Leaflet/Mapper/Layer/OverpassLayerMapper.php
+++ b/src/Netzmacht/Contao/Leaflet/Mapper/Layer/OverpassLayerMapper.php
@@ -48,6 +48,7 @@ class OverpassLayerMapper extends AbstractLayerMapper
         $this->optionsBuilder
             ->addOption('query', 'overpassQuery')
             ->addOption('minzoom', 'minZoom')
+            ->addOption('debug')
             ->addOption('overpassEndpoint', 'endpoint');
     }