diff -r 737ab27e37b3 -r 005d27918b57 src/java/de/uapcore/lightpit/modules/LanguageModule.java
--- a/src/java/de/uapcore/lightpit/modules/LanguageModule.java	Sun Dec 17 01:45:28 2017 +0100
+++ b/src/java/de/uapcore/lightpit/modules/LanguageModule.java	Sat Dec 23 17:28:19 2017 +0100
@@ -35,6 +35,7 @@
 import javax.servlet.http.HttpServletRequest;
 import javax.servlet.http.HttpServletResponse;
 import de.uapcore.lightpit.RequestMapping;
+import de.uapcore.lightpit.ResponseType;
 
 
 @LightPITModule(
@@ -48,7 +49,8 @@
 public final class LanguageModule extends AbstractLightPITServlet {
     
     @RequestMapping(method = HttpMethod.GET)
-    public void handle(HttpServletRequest req, HttpServletResponse resp) {
+    public ResponseType handle(HttpServletRequest req, HttpServletResponse resp) {
         
+        return ResponseType.HTML_FULL;
     }
 }