diff --git a/lib/skyfall/jetstream/commit_message.rb b/lib/skyfall/jetstream/commit_message.rb
index 0c2f442..0f3eb5f 100644
--- a/lib/skyfall/jetstream/commit_message.rb
+++ b/lib/skyfall/jetstream/commit_message.rb
@@ -9,8 +9,14 @@ module Skyfall
       super
     end
 
+    def operation
+      @operation ||= Jetstream::Operation.new(self, json['commit'])
+    end
+
+    alias op operation
+
     def operations
-      @operations ||= [Jetstream::Operation.new(self, json['commit'])]
+      [operation]
     end
   end
 end
diff --git a/lib/skyfall/jetstream/message.rb b/lib/skyfall/jetstream/message.rb
index 4e1e2bc..ad9408c 100644
--- a/lib/skyfall/jetstream/message.rb
+++ b/lib/skyfall/jetstream/message.rb
@@ -43,6 +43,12 @@ module Skyfall
       self.is_a?(Jetstream::UnknownMessage)
     end
 
+    def operation
+      nil
+    end
+
+    alias op operation
+
     def operations
       []
     end