diff --git a/eZ/Bundle/EzPublishLegacyBundle/LegacyResponse/LegacyResponseManager.php b/eZ/Bundle/EzPublishLegacyBundle/LegacyResponse/LegacyResponseManager.php
index 18c26e61e8d..592f208ac44 100644
--- a/eZ/Bundle/EzPublishLegacyBundle/LegacyResponse/LegacyResponseManager.php
+++ b/eZ/Bundle/EzPublishLegacyBundle/LegacyResponse/LegacyResponseManager.php
@@ -112,6 +112,8 @@ public function generateRedirectResponse( ezpKernelRedirect $redirectResult )
     {
         // Remove duplicate Location header.
         $this->removeHeader( 'location' );
+        // Remove duplicate Content-Type header.
+        $this->removeHeader( 'content-type' );
         return new RedirectResponse( $redirectResult->getTargetUrl(), $redirectResult->getStatusCode() );
     }