diff --git a/src/pane.coffee b/src/pane.coffee
index 7215607e4..dfa1de2e5 100644
--- a/src/pane.coffee
+++ b/src/pane.coffee
@@ -2,6 +2,9 @@
 
 module.exports =
 class Pane
+  position: null
+  html: null
+
   keymap: {}
 
   constructor: (options={}) ->