diff --git a/src/main/java/es/kauron/jstudy/controller/Controller.java b/src/main/java/es/kauron/jstudy/controller/Controller.java
index cc2ee5e..ebc4147 100644
--- a/src/main/java/es/kauron/jstudy/controller/Controller.java
+++ b/src/main/java/es/kauron/jstudy/controller/Controller.java
@@ -40,10 +40,9 @@ public class Controller implements Initializable {
     @Override
     public void initialize(URL url, ResourceBundle resourceBundle) {
         tabPane.getSelectionModel().selectedItemProperty().addListener((change, o, n) -> {
-            if (n.getContent().getId() != null) {
+            if (tabMap.get(n) != null) {
                 table.set(true);
-                root.getTop().autosize();
-            }
+            } else table.set(false);
         });
         saveMenu.disableProperty().bind(table.not());
     }
@@ -81,7 +80,6 @@ public class Controller implements Initializable {
     private Tab createTableTab(String name, List<TestItem> list) {
         try {
             Tab tab = new Tab(name);
-            tab.setId("table" + tab.hashCode());
 
             FXMLLoader loader = new FXMLLoader(Main.class.getResource("view/table.fxml"));
             Parent tableRoot = loader.load();