diff --git a/module/dca/tl_leaflet_layer.php b/module/dca/tl_leaflet_layer.php
index 0c60e14..5d7e73e 100644
--- a/module/dca/tl_leaflet_layer.php
+++ b/module/dca/tl_leaflet_layer.php
@@ -565,7 +565,7 @@ $GLOBALS['TL_DCA']['tl_leaflet_layer'] = array
             'label'            => &$GLOBALS['TL_LANG']['tl_leaflet_layer']['minZoom'],
             'exclude'          => true,
             'inputType'        => 'select',
-            'options_callback' => array('Netzmacht\Contao\Leaflet\Dca\Leaflet', 'getZoomLevels'),
+            'options_callback' => array('Netzmacht\Contao\Leaflet\Dca\LeafletCallbacks', 'getZoomLevels'),
             'eval'             => array(
                 'maxlength'          => 4,
                 'rgxp'               => 'digit',
@@ -580,7 +580,7 @@ $GLOBALS['TL_DCA']['tl_leaflet_layer'] = array
             'label'            => &$GLOBALS['TL_LANG']['tl_leaflet_layer']['maxZoom'],
             'exclude'          => true,
             'inputType'        => 'select',
-            'options_callback' => array('Netzmacht\Contao\Leaflet\Dca\Leaflet', 'getZoomLevels'),
+            'options_callback' => array('Netzmacht\Contao\Leaflet\Dca\LeafletCallbacks', 'getZoomLevels'),
             'eval'             => array(
                 'maxlength'          => 4,
                 'rgxp'               => 'digit',
@@ -595,7 +595,7 @@ $GLOBALS['TL_DCA']['tl_leaflet_layer'] = array
             'label'            => &$GLOBALS['TL_LANG']['tl_leaflet_layer']['maxNativeZoom'],
             'exclude'          => true,
             'inputType'        => 'select',
-            'options_callback' => array('Netzmacht\Contao\Leaflet\Dca\Leaflet', 'getZoomLevels'),
+            'options_callback' => array('Netzmacht\Contao\Leaflet\Dca\LeafletCallbacks', 'getZoomLevels'),
             'eval'             => array(
                 'maxlength'          => 4,
                 'rgxp'               => 'digit',