diff --git a/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBox.java b/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBox.java
index e61cb09..65b42ae 100644
--- a/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBox.java
+++ b/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBox.java
@@ -379,10 +379,12 @@ public class ToolBox extends TabPanel {
 
 		if (validationsTablePanel != null) {
 			validationsTablePanel.update();
+			validationsTablePanel.onResize();
 		}
 
 		if (validationsTasksPanel != null) {
 			validationsTasksPanel.update();
+			validationsTablePanel.onResize();
 		}
 
 		if (changeColumnTypePanel != null) {
diff --git a/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBoxPanel.java b/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBoxPanel.java
index 6929c32..9cc3f5a 100644
--- a/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBoxPanel.java
+++ b/src/main/java/org/gcube/portlets/user/td/toolboxwidget/client/ToolBoxPanel.java
@@ -31,6 +31,7 @@ public class ToolBoxPanel extends ContentPanel {
 		setResize(true);
 		setBodyBorder(false);
 		setBorders(false);
+		forceLayoutOnResize = true;
 		toolBox = new ToolBox("ToolBox",eventBus,this);
 		add(toolBox);
 		startPanel();