diff --git a/zappa/core.py b/zappa/core.py
index 78fc5ff5b..021434fa0 100644
--- a/zappa/core.py
+++ b/zappa/core.py
@@ -2414,7 +2414,7 @@ def create_stack_template(
 
         # 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 = {}