Use fixed language code

diff --git a/wcfsetup/install/files/lib/util/HTTPRequest.class.php b/wcfsetup/install/files/lib/util/HTTPRequest.class.php
index 337ade1ce329df034ae45665f8a5c7152dcfc694..e16e916ca4aa67db9f5338111c55ae70555b4685 100644 (file)
--- a/wcfsetup/install/files/lib/util/HTTPRequest.class.php
+++ b/wcfsetup/install/files/lib/util/HTTPRequest.class.php
@@ -100,7 +100,7 @@ final class HTTPRequest {
                // set default headers
                $this->addHeader('User-Agent', "HTTP.PHP (HTTPRequest.class.php; WoltLab Community Framework/".WCF_VERSION."; ".WCF::getLanguage()->languageCode.")");
                $this->addHeader('Accept', '*/*');
-               $this->addHeader('Accept-Language', WCF::getLanguage()->languageCode);
+               $this->addHeader('Accept-Language', WCF::getLanguage()->getFixedLanguageCode());
                if ($this->options['method'] !== 'GET') {
                        $this->addHeader('Content-length', strlen(http_build_query($this->postParameters)));
                        $this->addHeader('Content-Type', 'application/x-www-form-urlencoded');