diff --git a/src/Intervention/Image/Response.php b/src/Intervention/Image/Response.php
index 076d08fc..28a3782d 100644
--- a/src/Intervention/Image/Response.php
+++ b/src/Intervention/Image/Response.php
@@ -49,15 +49,18 @@ class Response
         $this->image->encode($this->format, $this->quality);
         $data = $this->image->getEncoded();
         $mime = finfo_buffer(finfo_open(FILEINFO_MIME_TYPE), $data);
+        $length = strlen($data);
 
         if (function_exists('app') && is_a($app = app(), 'Illuminate\Foundation\Application')) {
 
             $response = \Response::make($data);
             $response->header('Content-Type', $mime);
+            $response->header('Content-Length', $length);
 
         } else {
 
             header('Content-Type: ' . $mime);
+            header('Content-Length: ' . $length);
             $response = $data;
         }