diff --git a/graphene/types/mutation.py b/graphene/types/mutation.py
index aa8f86bb..dd09e461 100644
--- a/graphene/types/mutation.py
+++ b/graphene/types/mutation.py
@@ -85,7 +85,7 @@ class Mutation(ObjectType):
             args=cls._meta.arguments,
             resolver=cls._meta.resolver,
             name=name,
-            description=description,
+            description=description or cls._meta.description,
             deprecation_reason=deprecation_reason,
             required=required,
         )