diff --git a/zappa/core.py b/zappa/core.py
index 2798ae786..a739609f9 100644
--- a/zappa/core.py
+++ b/zappa/core.py
@@ -2135,7 +2135,7 @@ def create_stack_template(  self,
 
         # build a fresh template
         self.cf_template = troposphere.Template()
-        self.cf_template.add_description('Automatically generated with Zappa')
+        self.cf_template.set_description('Automatically generated with Zappa')
         self.cf_api_resources = []
         self.cf_parameters = {}