diff --git a/src/Netzmacht/Contao/Leaflet/Mapper/Vector/AbstractVectorMapper.php b/src/Netzmacht/Contao/Leaflet/Mapper/Vector/AbstractVectorMapper.php
index 6eb04e8..513834f 100644
--- a/src/Netzmacht/Contao/Leaflet/Mapper/Vector/AbstractVectorMapper.php
+++ b/src/Netzmacht/Contao/Leaflet/Mapper/Vector/AbstractVectorMapper.php
@@ -69,7 +69,7 @@ class AbstractVectorMapper extends AbstractTypeMapper
         parent::build($definition, $model, $mapper, $filter);
 
         if ($definition instanceof Path && $model->style) {
-            $styleModel = StyleModel::findActiveByPk($model->style);
+            $styleModel = StyleModel::findActiveByPK($model->style);
 
             if ($styleModel) {
                 $style = $mapper->handle($styleModel);