diff --git a/app/controllers/api/storage.php b/app/controllers/api/storage.php
index 6c94542408..c6b3c5c67b 100644
--- a/app/controllers/api/storage.php
+++ b/app/controllers/api/storage.php
@@ -809,7 +809,7 @@ App::get('/v1/storage/buckets/:bucketId/files/:fileId/preview')
         $fileLogos = Config::getParam('storage-logos');
 
         $date = \date('D, d M Y H:i:s', \time() + (60 * 60 * 24 * 45)).' GMT';  // 45 days cache
-        $key = \md5($fileId.$width.$height.$quality.$borderWidth.$borderColor.$borderRadius.$opacity.$rotation.$background.$storage.$output);
+        $key = \md5($fileId.$width.$height.$gravity.$quality.$borderWidth.$borderColor.$borderRadius.$opacity.$rotation.$background.$storage.$output);
 
         $file = $dbForInternal->getDocument('bucket_' . $bucketId, $fileId);
 
@@ -829,7 +829,7 @@ App::get('/v1/storage/buckets/:bucketId/files/:fileId/preview')
             $cipher = null;
             $background = (empty($background)) ? 'eceff1' : $background;
             $type = \strtolower(\pathinfo($path, PATHINFO_EXTENSION));
-            $key = \md5($path.$width.$height.$quality.$borderWidth.$borderColor.$borderRadius.$opacity.$rotation.$background.$storage.$output);
+            $key = \md5($path.$width.$height.$gravity.$quality.$borderWidth.$borderColor.$borderRadius.$opacity.$rotation.$background.$storage.$output);
         }
 
         $compressor = new GZIP();