Properly parse boolean binary params
diff --git a/src/couch_mrview_http.erl b/src/couch_mrview_http.erl
index 94099f5..8735187 100644
--- a/src/couch_mrview_http.erl
+++ b/src/couch_mrview_http.erl
@@ -363,6 +363,8 @@
     true;
 parse_boolean(false) ->
     false;
+parse_boolean(Val) when is_binary(Val) ->
+    parse_boolean(?b2l(Val));
 parse_boolean(Val) ->
     case string:to_lower(Val) of
     "true" -> true;