diff --git a/src/org/ntlab/pushPullRefactoring/PushPullProcessor.java b/src/org/ntlab/pushPullRefactoring/PushPullProcessor.java
index b60bbbc..5c7e46b 100644
--- a/src/org/ntlab/pushPullRefactoring/PushPullProcessor.java
+++ b/src/org/ntlab/pushPullRefactoring/PushPullProcessor.java
@@ -157,10 +157,10 @@
 				return false;
 			}
 		});
-		final TypeDeclaration typeDeclaration = (TypeDeclaration)typedec[0];
+		final FieldDeclaration typeDeclaration = searchFieldDeclaration(unit, "State");
 		ASTRewrite rewrite = ASTRewrite.create(typeDeclaration.getAST());
-        ListRewrite rewrites = rewrite.getListRewrite(typeDeclaration, TypeDeclaration.MODIFIERS2_PROPERTY);       
-        Statement mycomment = (Statement) rewrite.createStringPlaceholder("//mycomment"+System.getProperty("line.separator"), ASTNode.EMPTY_STATEMENT);
+        ListRewrite rewrites = rewrite.getListRewrite(typeDeclaration, FieldDeclaration.MODIFIERS2_PROPERTY);       
+        Statement pushable = (Statement) rewrite.createStringPlaceholder("@Pushable"+System.getProperty("line.separator"), ASTNode.EMPTY_STATEMENT);
         Statement statement = (Statement) rewrite.createStringPlaceholder("Object obj = new Object();", ASTNode.VARIABLE_DECLARATION_STATEMENT);
         PackageDeclaration packageDeclaration  = unit.getPackage();
         FieldDeclaration fd = searchFieldDeclaration(unit, "State");
@@ -170,7 +170,7 @@
         TextEditGroup editGroup = new TextEditGroup("new class edit group");
        
         //rewrites.insertFirst(mycomment, editGroup);
-        rewrites.insertFirst(mycomment, editGroup);
+        rewrites.insertFirst(pushable, editGroup);
         
         IPath path = unit.getJavaElement().getPath();
         //�V�K�t�@�C���쐬