diff --git a/README.md b/README.md
index 3fc4999..4d7a333 100644
--- a/README.md
+++ b/README.md
@@ -101,7 +101,7 @@ public class MyVaadinUI extends UI {
         LazyBeanContainer dataSource = new LazyBeanContainer(User.class, new UserDAO(), new UserSearchCriteria());
         comboBox.setContainerDataSource(dataSource);
         comboBox.setItemCaptionPropertyId("firstName");
-        layout.addComponent(comboBox);å
+        layout.addComponent(comboBox);
     }
 
 }
diff --git a/src/main/java/org/vaadin/addons/lazycontainer/LazyBeanContainer.java b/src/main/java/org/vaadin/addons/lazycontainer/LazyBeanContainer.java
index 1b1c210..3715985 100644
--- a/src/main/java/org/vaadin/addons/lazycontainer/LazyBeanContainer.java
+++ b/src/main/java/org/vaadin/addons/lazycontainer/LazyBeanContainer.java
@@ -21,7 +21,6 @@ public class LazyBeanContainer extends BeanContainer {
     // min filter string length, after this length is exceeded database calls are allowed
     private int minFilterLength;
 
-
     public LazyBeanContainer(Class type, DAO dao, SearchCriteria criteria) {
         super(type);
         this.criteria = criteria;
@@ -98,6 +97,12 @@ public void sort(Object[] propertyIds, boolean[] ascending) {
         }
     }
 
+    @Override
+    public boolean containsId(Object itemId) {
+        // we need this because of value change listener (otherwise selected item event won't be fired)
+        return true;
+    }
+
     public int getMinFilterLength() {
         return minFilterLength;
     }