diff --git a/src/SensorListBuilder.php b/src/SensorListBuilder.php
index 91ba9b6..1c01cbd 100644
--- a/src/SensorListBuilder.php
+++ b/src/SensorListBuilder.php
@@ -132,6 +132,7 @@ class SensorListBuilder extends ConfigEntityListBuilder implements FormInterface
         $sensor_types[$plugin_label_key] = $plugin_definition['label'];
       }
     }
+    ksort($sensor_types);
 
     $form['filters'] = array(
       '#type' => 'fieldset',