diff --git a/ganttzk/src/main/java/org/zkoss/ganttz/TaskComponent.java b/ganttzk/src/main/java/org/zkoss/ganttz/TaskComponent.java
index ce6fcc9e7..1ea4dcdef 100644
--- a/ganttzk/src/main/java/org/zkoss/ganttz/TaskComponent.java
+++ b/ganttzk/src/main/java/org/zkoss/ganttz/TaskComponent.java
@@ -238,9 +238,7 @@ public class TaskComponent extends Div implements AfterCompose {
 
                 @Override
                 public void propertyChange(PropertyChangeEvent evt) {
-                    if (isInPage()) {
-                        updateProperties();
-                    }
+                    updateProperties();
                 }
             };
         }