diff --git a/focal_point.install b/focal_point.install
index 9a78111..9d71e02 100644
--- a/focal_point.install
+++ b/focal_point.install
@@ -57,6 +57,8 @@ function focal_point_update_8001() {
  * Migrates legacy values to crop entities.
  */
 function focal_point_update_8002(&$sandbox) {
+  /** @var \Drupal\file\FileUsage\FileUsageInterface $file_usage */
+  $file_usage = \Drupal::service('file.usage');
   $file_storage = \Drupal::entityTypeManager()->getStorage('file');
   $crop_storage = \Drupal::entityTypeManager()->getStorage('crop');
   $crop_type = \Drupal::config('focal_point.settings')->get('crop_type');
@@ -81,7 +83,30 @@ function focal_point_update_8002(&$sandbox) {
   foreach ($focal_points as $focal_point) {
     /** @var \Drupal\file\FileInterface $file */
     $file = $file_storage->load($focal_point->fid);
-    $size = getimagesize($file->getFileUri());
+
+    // Try to load width and height from the image fields and fall back to
+    // reading image file if that was not successful.
+    $usage = $file_usage->listUsage($file);
+    $usage = current($usage);
+
+    /** @var \Drupal\Core\Entity\FieldableEntityInterface $entity */
+    $entity = \Drupal::entityTypeManager()->getStorage(key($usage))->load(current(current($usage)));
+    $size = NULL;
+    foreach ($entity->getFieldDefinitions() as $field_definition) {
+      if ($field_definition->getType() == 'image') {
+        foreach ($entity->{$field_definition->getName()} as $item) {
+          if ($item->target_id == $file->id()) {
+            $size = [$item->width, $item->height];
+          }
+        }
+      }
+    }
+
+    if (empty($size)) {
+      $size = getimagesize($file->getFileUri());
+    }
+
+    // Now we have all information we need. Let's create crop entity.
     $focal_point = explode(',', $focal_point->focal_point);
     $crop_storage
       ->create([