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--- a/ForgeWiki/forgewiki/wiki_main.py
+++ b/ForgeWiki/forgewiki/wiki_main.py
@@ -112,6 +112,13 @@
     def show_discussion(self):
         if 'show_discussion' in self.config.options:
             return self.config.options['show_discussion']
+        else:
+            return True
+
+    @property
+    def show_left_bar(self):
+        if 'show_left_bar' in self.config.options:
+            return self.config.options['show_left_bar']
         else:
             return True
 
@@ -675,10 +682,13 @@
 
     @without_trailing_slash
     @expose()
-    def set_options(self, show_discussion=False):
+    def set_options(self, show_discussion=False, show_left_bar=False):
         require(has_artifact_access('configure', app=self.app))
         if show_discussion:
             show_discussion = True
+        if show_left_bar:
+            show_left_bar = True
         self.app.config.options['show_discussion'] = show_discussion
+        self.app.config.options['show_left_bar'] = show_left_bar
         flash('Options updated')
         redirect('options')