diff --git a/wiki/browser/default.pt b/wiki/browser/default.pt
index b27e386..da22af3 100644
--- a/wiki/browser/default.pt
+++ b/wiki/browser/default.pt
@@ -41,7 +41,7 @@
 
 <metal:content define-macro="wikipage">
     <div metal:define-macro="edit">
-      <tal:edit condition="python: view.mode == 'edit'">
+      <tal:edit condition="python: view.view_mode == 'edit'">
         <h1>Edit <span tal:content="context/title">Wiki Page</span></h1>
         <form method="post"
               tal:attributes="action context/absolute_url">
diff --git a/wiki/browser/view.py b/wiki/browser/view.py
index c7bdf4a..4f78217 100644
--- a/wiki/browser/view.py
+++ b/wiki/browser/view.py
@@ -127,8 +127,8 @@ class WikiPageView(WikiBaseView):
         return self.context.render(self.request)
 
     def edit(self):
-        self.mode = 'edit'
+        self.view_mode = 'edit'
         return self()
 
     def showEditButton(self):
-        return self.mode != 'edit'
+        return self.view_mode != 'edit'