diff --git a/controllers/EditAsset.php b/controllers/EditAsset.php
index 3b99a52..8fc7bf4 100644
--- a/controllers/EditAsset.php
+++ b/controllers/EditAsset.php
@@ -116,20 +116,22 @@ class EditAsset extends HTMLController
 			if (!preg_match('~^(?<width>\d+)x(?<height>\d+)(?<suffix>_c(?<method>[best]?))?$~', $selector, $thumb))
 				continue;
 
+			$dimensions = $thumb['width'] . 'x' . $thumb['height'];
+
 			// Does the thumbnail exist on disk? If not, use an url to generate it.
 			if (!$filename || !file_exists(THUMBSDIR . '/' . $subdir . '/' . $filename))
-				$thumb_url = BASEURL . '/thumbnail/' . $image->getId() . '/' . $thumb['width'] . 'x' . $thumb['height'] . ($thumb['suffix'] ?? '') . '/';
+				$thumb_url = BASEURL . '/thumbnail/' . $image->getId() . '/' . $dimensions . ($thumb['suffix'] ?? '') . '/';
 			else
 				$thumb_url = THUMBSURL . '/' . $subdir . '/' . $filename;
 
-			$has_crop_boundary = isset($metadata['crop_' . $thumb['width'] . 'x' . $thumb['height']]);
-			$has_custom_image = isset($metadata['custom_' . $thumb['width'] . 'x' . $thumb['height']]);
+			$has_crop_boundary = isset($metadata['crop_' . $dimensions]);
+			$has_custom_image = isset($metadata['custom_' . $dimensions]);
 
 			$thumbs[] = [
 				'dimensions' => [(int) $thumb['width'], (int) $thumb['height']],
 				'cropped' => !$has_custom_image && (!empty($thumb['suffix']) || $has_crop_boundary),
 				'crop_method' => !$has_custom_image && !empty($thumb['method']) ? $thumb['method'] : (!empty($thumb['suffix']) ? 'c' : null),
-				'crop_region' => $has_crop_boundary ? $metadata['crop_' . $thumb['width'] . 'x' . $thumb['height']] : null,
+				'crop_region' => $has_crop_boundary ? $metadata['crop_' . $dimensions] : null,
 				'custom_image' => $has_custom_image,
 				'filename' => $filename,
 				'url' => $thumb_url,