diff --git a/module/dca/tl_leaflet_layer.php b/module/dca/tl_leaflet_layer.php
index 0757e87..98e9b8c 100644
--- a/module/dca/tl_leaflet_layer.php
+++ b/module/dca/tl_leaflet_layer.php
@@ -9,8 +9,6 @@
  *
  */
 
-\Controller::loadLanguageFile('leaflet');
-
 $GLOBALS['TL_DCA']['tl_leaflet_layer'] = array
 (
     'config' => array(
@@ -29,6 +27,11 @@ $GLOBALS['TL_DCA']['tl_leaflet_layer'] = array
                 'alias' => 'unique',
             )
         ),
+        'onload_callback' => array(
+            function() {
+                \Controller::loadLanguageFile('leaflet');
+            }
+        )
     ),
     'list' => array
     (
diff --git a/module/dca/tl_leaflet_map.php b/module/dca/tl_leaflet_map.php
index 8330a9d..c44e478 100644
--- a/module/dca/tl_leaflet_map.php
+++ b/module/dca/tl_leaflet_map.php
@@ -9,8 +9,6 @@
  *
  */
 
-\Controller::loadLanguageFile('leaflet');
-
 $GLOBALS['TL_DCA']['tl_leaflet_map'] = array
 (
     'config' => array(
@@ -24,6 +22,11 @@ $GLOBALS['TL_DCA']['tl_leaflet_map'] = array
                 'id'    => 'primary',
                 'alias' => 'unique',
             )
+        ),
+        'onload_callback' => array(
+            function() {
+                \Controller::loadLanguageFile('leaflet');
+            }
         )
     ),
 
diff --git a/module/dca/tl_leaflet_marker.php b/module/dca/tl_leaflet_marker.php
index 0b406df..bcc5825 100644
--- a/module/dca/tl_leaflet_marker.php
+++ b/module/dca/tl_leaflet_marker.php
@@ -9,8 +9,6 @@
  *
  */
 
-\Controller::loadLanguageFile('leaflet');
-
 $GLOBALS['TL_DCA']['tl_leaflet_marker'] = array
 (
     'config' => array(
@@ -26,6 +24,11 @@ $GLOBALS['TL_DCA']['tl_leaflet_marker'] = array
                 'alias' => 'unique',
             )
         ),
+        'onload_callback' => array(
+            function() {
+                \Controller::loadLanguageFile('leaflet');
+            }
+        )
     ),
 
     'list' => array
diff --git a/module/dca/tl_leaflet_vector.php b/module/dca/tl_leaflet_vector.php
index 479d5fd..8f3bcfd 100644
--- a/module/dca/tl_leaflet_vector.php
+++ b/module/dca/tl_leaflet_vector.php
@@ -9,8 +9,6 @@
  *
  */
 
-\Controller::loadLanguageFile('leaflet');
-
 $GLOBALS['TL_DCA']['tl_leaflet_vector'] = array
 (
     'config' => array(
@@ -25,6 +23,11 @@ $GLOBALS['TL_DCA']['tl_leaflet_vector'] = array
                 'pid'   => 'index',
                 'alias' => 'unique',
             )
+        ),
+        'onload_callback' => array(
+            function() {
+                \Controller::loadLanguageFile('leaflet');
+            }
         )
     ),