diff --git a/stacker/blueprints/base.py b/stacker/blueprints/base.py
index ec1cd52a7..42eb7ccce 100644
--- a/stacker/blueprints/base.py
+++ b/stacker/blueprints/base.py
@@ -539,7 +539,7 @@ def set_template_description(self, description):
                 template.
 
         """
-        self.template.add_description(description)
+        self.template.set_description(description)
 
     def add_output(self, name, value):
         """Simple helper for adding outputs.