diff --git a/graphene/types/argument.py b/graphene/types/argument.py
index df032510..4431de53 100644
--- a/graphene/types/argument.py
+++ b/graphene/types/argument.py
@@ -26,9 +26,9 @@ class Argument(MountedType):
 
     def __eq__(self, other):
         return isinstance(other, Argument) and (
-            self.name == other.name,
-            self.type == other.type,
-            self.default_value == other.default_value,
+            self.name == other.name and
+            self.type == other.type and
+            self.default_value == other.default_value and
             self.description == other.description
         )