diff --git a/awscli/customizations/wizard/ui/layout.py b/awscli/customizations/wizard/ui/layout.py
index 1bb069d..57b556b 100644
--- a/awscli/customizations/wizard/ui/layout.py
+++ b/awscli/customizations/wizard/ui/layout.py
@@ -284,6 +284,7 @@ class ToolbarView(BaseToolbarView):
 
     def __init__(self):
         self.content = to_container(self.create_window(self.help_text))
+        self.alternative_content = None
         self.filter = to_filter(self.CONDITION)
 
     def create_window(self, help_text):