diff --git a/screenless/bureau/ihr/ihrweb.py b/screenless/bureau/ihr/ihrweb.py
index 351dc30..0be1310 100644
--- a/screenless/bureau/ihr/ihrweb.py
+++ b/screenless/bureau/ihr/ihrweb.py
@@ -103,7 +103,8 @@ class IhrApp(Bottle):
         else:
             self.views[prefix] = [view]
         def wrapped_cb():
-            return callback(request.forms.dict)
+            # bottle uses a fancy MultiDict but we just want the simple version
+            return callback(dict(request.forms.items()))
         self.route("/" + prefix + "/" + view, callback=wrapped_cb)
         self.route("/" + prefix + "/" + view, callback=wrapped_cb, method="POST")