diff --git a/channels/interfaces/websocket_twisted.py b/channels/interfaces/websocket_twisted.py
index 824a0cf..72e85a7 100644
--- a/channels/interfaces/websocket_twisted.py
+++ b/channels/interfaces/websocket_twisted.py
@@ -18,6 +18,7 @@ class InterfaceProtocol(WebSocketServerProtocol):
         self.channel_backend = channel_backends[DEFAULT_CHANNEL_BACKEND]
         self.request_info = {
             "path": request.path,
+            "GET": request.params,
         }
 
     def onOpen(self):
diff --git a/channels/request.py b/channels/request.py
index bc5bf88..8dfcec6 100644
--- a/channels/request.py
+++ b/channels/request.py
@@ -8,8 +8,8 @@ def encode_request(request):
     """
     # TODO: More stuff
     value = {
-        "GET": list(request.GET.lists()),
-        "POST": list(request.POST.lists()),
+        "GET": dict(request.GET.lists()),
+        "POST": dict(request.POST.lists()),
         "COOKIES": request.COOKIES,
         "META": {k: v for k, v in request.META.items() if not k.startswith("wsgi")},
         "path": request.path,