diff --git a/crop.module b/crop.module
index 835924a..424692f 100644
--- a/crop.module
+++ b/crop.module
@@ -130,18 +130,26 @@ function crop_file_url_alter(&$uri) {
     // Get the file URI using parsed schema and file path.
     $file_uri = $match[2] . '://' . $match[3];
 
-    /** @var \Drupal\image_widget_crop\ImageWidgetCropManager $image_widget_manager */
-    $image_widget_manager = \Drupal::service('image_widget_crop.manager');
-
     /** @var \Drupal\image\Entity\ImageStyle $image_style */
     $image_style = ImageStyle::load($image_style);
 
+    $crop_type = NULL;
+    // Find whether matched image style uses "crop_type" effect.
+    /* @var  \Drupal\image\ImageEffectInterface $effect */
+    foreach ($image_style->getEffects() as $uuid => $effect) {
+      $data_effect = $image_style->getEffect($uuid)->getConfiguration()['data'];
+      if (isset($data_effect['crop_type'])) {
+        $crop_type = $data_effect['crop_type'];
+        break;
+      }
+    }
+
     // In case the image style uses "crop_type" effect, load the crop entity.
-    if ($crop = Crop::findCrop($file_uri, $image_widget_manager->getEffectData($image_style, 'crop_type'))) {
-      // Found a crop for this image, append an identifier for it to the URL,
+    if ($crop_type && $crop = Crop::findCrop($file_uri, $crop_type)) {
+      // Found a crop for this image, append a hash of it to the URL,
       // so that browsers reload the image and CDNs and proxies can be bypassed.
-      $query_string = implode($crop->position(), '-') . '-' . implode($crop->anchor(), '-');
-      $uri .= '&v=' . $query_string;
+      $shortened_hash = substr(md5(implode($crop->position()) . implode($crop->anchor())), 0, 8);
+      $uri .= '&h=' . $shortened_hash;
     }
   }
 }