diff --git a/lib/skyfall/operation.rb b/lib/skyfall/operation.rb
index fb7e768..dd987fa 100644
--- a/lib/skyfall/operation.rb
+++ b/lib/skyfall/operation.rb
@@ -57,5 +57,14 @@ def type
       else :unknown
       end
     end
+
+    def inspectable_variables
+      instance_variables - [:@message]
+    end
+
+    def inspect
+      vars = inspectable_variables.map { |v| "#{v}=#{instance_variable_get(v).inspect}" }.join(", ")
+      "#<#{self.class}:0x#{object_id} #{vars}>"
+    end
   end
 end