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 c842f38..9064a1f 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
@@ -514,6 +514,16 @@ public class ToolBox extends TabPanel {
 		}
 		
 	}
+	
+	public void closeDownscaleCSquarePanel() {
+		Log.debug("Close DownscaleCSquare Tab");
+		if (downscaleCSquarePanel != null) {
+			remove(downscaleCSquarePanel);
+			downscaleCSquarePanel = null;
+		}
+		
+	}
+	
 	//
 
 	public void updateTabs() {
@@ -622,6 +632,11 @@ public class ToolBox extends TabPanel {
 				geometryCreatePointPanel = null;
 			}
 			
+			if(downscaleCSquarePanel!=null){
+				remove(downscaleCSquarePanel);
+				downscaleCSquarePanel = null;
+			}
+			
 			
 			forceLayout();
 		} catch (Throwable e) {
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 d591d7a..d825d07 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
@@ -673,6 +673,7 @@ public class ToolBoxPanel extends ContentPanel {
 		toolBox.closeResourcesPanel();
 		toolBox.closeGeospatialCreateCoordinatesPanel();
 		toolBox.closeGeometryCreatePointPanel();
+		toolBox.closeDownscaleCSquarePanel();
 		Log.debug("ToolBoxPanel Closed");
 	}