diff --git a/src/main/java/org/gcube/portlets/widgets/wsexplorer/client/WorkspaceExplorerConstants.java b/src/main/java/org/gcube/portlets/widgets/wsexplorer/client/WorkspaceExplorerConstants.java
index 3a1d92e..6ac1be5 100644
--- a/src/main/java/org/gcube/portlets/widgets/wsexplorer/client/WorkspaceExplorerConstants.java
+++ b/src/main/java/org/gcube/portlets/widgets/wsexplorer/client/WorkspaceExplorerConstants.java
@@ -19,7 +19,7 @@ public class WorkspaceExplorerConstants {
 	public static final String WORKSPACE_EXPLORER_CAPTION = "Workspace Explorer";
 
 	public static final String WORKSPACE_EXPLORER_SAVE_AS_CAPTION = "Workspace Explorer Save As...";
-	
+
 	public static final String HOME_LABEL = "Home";
 
 	public static final String WORKSPACE_MY_SPECIAL_FOLDERS_PATH = "/Workspace/MySpecialFolders";
@@ -31,7 +31,9 @@ public class WorkspaceExplorerConstants {
 	public static final String AUTO = "auto";
 	public static final int WIDHT_DIALOG = 730;
 
+	public static final int STATIC_BOOTSTRAP_ZINDEX_MODAL_VALUE = 1040;
+
 	public static final String SELECT = "Select";
-	
+
 	public static final WorkspaceExplorerServiceAsync workspaceNavigatorService = GWT.create(WorkspaceExplorerService.class);
 }
diff --git a/src/main/java/org/gcube/portlets/widgets/wsexplorer/client/save/WorkspaceExplorerSaveDialog.java b/src/main/java/org/gcube/portlets/widgets/wsexplorer/client/save/WorkspaceExplorerSaveDialog.java
index 0532d00..fc17df3 100644
--- a/src/main/java/org/gcube/portlets/widgets/wsexplorer/client/save/WorkspaceExplorerSaveDialog.java
+++ b/src/main/java/org/gcube/portlets/widgets/wsexplorer/client/save/WorkspaceExplorerSaveDialog.java
@@ -463,20 +463,21 @@ public class WorkspaceExplorerSaveDialog extends Modal implements HasWorskpaceEx
 	 */
 	private void configureZindex() {
 
-		if(zIndex>0){
-			Element el = null;
-			try{
-				el = getElement();
-			}catch (Exception e) {
-				//silent
-				return;
-			}
-			el.getStyle().setZIndex(zIndex+20);
+		zIndex = zIndex > WorkspaceExplorerConstants.STATIC_BOOTSTRAP_ZINDEX_MODAL_VALUE?zIndex:WorkspaceExplorerConstants.STATIC_BOOTSTRAP_ZINDEX_MODAL_VALUE+50;
 
-			//IS MODAL-BACKDROP
-			if(el.getNextSiblingElement()!=null)
-				el.getNextSiblingElement().getStyle().setZIndex(zIndex+10);
+		Element el = null;
+		try{
+			el = getElement();
+		}catch (Exception e) {
+			//silent
+			return;
 		}
+		el.getStyle().setZIndex(zIndex+20);
+
+		//IS MODAL-BACKDROP
+		if(el.getNextSiblingElement()!=null)
+			el.getNextSiblingElement().getStyle().setZIndex(zIndex+10);
+
 	}
 
 
diff --git a/src/main/java/org/gcube/portlets/widgets/wsexplorer/client/select/WorkspaceExplorerSelectDialog.java b/src/main/java/org/gcube/portlets/widgets/wsexplorer/client/select/WorkspaceExplorerSelectDialog.java
index 53cdbab..80560a4 100644
--- a/src/main/java/org/gcube/portlets/widgets/wsexplorer/client/select/WorkspaceExplorerSelectDialog.java
+++ b/src/main/java/org/gcube/portlets/widgets/wsexplorer/client/select/WorkspaceExplorerSelectDialog.java
@@ -388,20 +388,20 @@ public class WorkspaceExplorerSelectDialog extends Modal implements HasWorskpace
 	 */
 	private void configureZindex() {
 
-		if(zIndex>0){
-			Element el = null;
-			try{
-				el = getElement();
-			}catch (Exception e) {
-				//silent
-				return;
-			}
-			el.getStyle().setZIndex(zIndex+20);
+		zIndex = zIndex > WorkspaceExplorerConstants.STATIC_BOOTSTRAP_ZINDEX_MODAL_VALUE?zIndex:WorkspaceExplorerConstants.STATIC_BOOTSTRAP_ZINDEX_MODAL_VALUE+20;
 
-			//IS MODAL-BACKDROP
-			if(el.getNextSiblingElement()!=null)
-				el.getNextSiblingElement().getStyle().setZIndex(zIndex+10);
+		Element el = null;
+		try{
+			el = getElement();
+		}catch (Exception e) {
+			//silent
+			return;
 		}
+		el.getStyle().setZIndex(zIndex+20);
+
+		//IS MODAL-BACKDROP
+		if(el.getNextSiblingElement()!=null)
+			el.getNextSiblingElement().getStyle().setZIndex(zIndex+10);
 	}