diff --git a/controller/action/i18nActions.class.php b/controller/action/i18nActions.class.php
index dfd490a1..3fd063ee 100644
--- a/controller/action/i18nActions.class.php
+++ b/controller/action/i18nActions.class.php
@@ -29,8 +29,11 @@ class i18nActions extends Actions
             throw new Exception('Please set Config::TRANSIFEX_API_KEY in your configuration.');
         }
 
-        Response::setHeader(Response::HEADER_CROSS_ORIGIN, "*");
+        $json = Transifex::getTranslationResourceFile($project, $resource, $language);
 
-        return View::renderJson(Transifex::getTranslationResourceFile($project, $resource, $language));
+        Response::setHeader(Response::HEADER_CROSS_ORIGIN, "*");
+        Response:setHeader(Response::HEADER_ETAG, md5(static::getContent($json)));
+
+        return View::renderJson($json);
     }
 }
diff --git a/view/Response.class.php b/view/Response.class.php
index eb87b38d..6b73ec56 100644
--- a/view/Response.class.php
+++ b/view/Response.class.php
@@ -192,11 +192,6 @@ class Response
     ]));
     }
 
-    public static function setContentEtag()
-    {
-        static::setHeader(static::HEADER_ETAG, md5(static::getContent()));
-    }
-
     public static function enableHttpCache(int $seconds = 300)
     {
         static::addCacheControlHeader('max-age', $seconds);