1 files changed, 9 insertions, 1 deletions
diff --git a/src/couchdb/couch_httpd.erl b/src/couchdb/couch_httpd.erl
index a61b29fb..baa22d8f 100644
--- a/src/couchdb/couch_httpd.erl
+++ b/src/couchdb/couch_httpd.erl
@@ -51,7 +51,7 @@ start_link() ->
 
     DesignUrlHandlersList = lists:map(
         fun({UrlKey, SpecStr}) ->
-            {?l2b(UrlKey), make_arity_2_fun(SpecStr)}
+            {?l2b(UrlKey), make_arity_3_fun(SpecStr)}
         end, couch_config:get("httpd_design_handlers")),
 
     UrlHandlers = dict:from_list(UrlHandlersList),
@@ -110,6 +110,14 @@ make_arity_2_fun(SpecStr) ->
         fun(Arg1, Arg2) -> Mod:Fun(Arg1, Arg2) end
     end.
 
+make_arity_3_fun(SpecStr) ->
+    case couch_util:parse_term(SpecStr) of
+    {ok, {Mod, Fun, SpecArg}} ->
+        fun(Arg1, Arg2, Arg3) -> Mod:Fun(Arg1, Arg2, Arg3, SpecArg) end;
+    {ok, {Mod, Fun}} ->
+        fun(Arg1, Arg2, Arg3) -> Mod:Fun(Arg1, Arg2, Arg3) end
+    end.
+
 % SpecStr is "{my_module, my_fun}, {my_module2, my_fun2}"
 make_arity_1_fun_list(SpecStr) ->
     [make_arity_1_fun(FunSpecStr) || FunSpecStr <- re:split(SpecStr, "(?<=})\\s*,\\s*(?={)", [{return, list}])].