diff --git a/weasis-dicom/weasis-dicom-viewer2d/src/main/java/org/weasis/dicom/viewer2d/KeyObjectToolBar.java b/weasis-dicom/weasis-dicom-viewer2d/src/main/java/org/weasis/dicom/viewer2d/KeyObjectToolBar.java
index 4edabf6c1..27b54e9a7 100755
--- a/weasis-dicom/weasis-dicom-viewer2d/src/main/java/org/weasis/dicom/viewer2d/KeyObjectToolBar.java
+++ b/weasis-dicom/weasis-dicom-viewer2d/src/main/java/org/weasis/dicom/viewer2d/KeyObjectToolBar.java
@@ -230,11 +230,13 @@ private void editKo(
         DicomModel dicomModel = (DicomModel) selectedDicomSeries.getTagValue(TagW.ExplorerModel);
         if (dicomModel != null) {
           dicomModel.removeHiddenSpecialElement(list.getSelectedValue());
-          if (selectedView2d instanceof View2d view2d) {
-            boolean needToRepaint = view2d.updateKOSelectedState(selectedView2d.getImage());
-            if (needToRepaint) {
-              evtMgr.updateKeyObjectComponentsListener(selectedView2d);
-              repaint();
+          for (ViewCanvas<DicomImageElement> canvas : selectedView2dContainer.getView2ds()) {
+            if (canvas instanceof View2d view2d) {
+                boolean needToRepaint = view2d.updateKOSelectedState(view2d.getImage());
+                if (needToRepaint && view2d==selectedView2d) {
+                    evtMgr.updateKeyObjectComponentsListener(selectedView2d);
+                    repaint();
+                }
             }
           }
         }
diff --git a/weasis-dicom/weasis-dicom-viewer2d/src/main/java/org/weasis/dicom/viewer2d/View2dContainer.java b/weasis-dicom/weasis-dicom-viewer2d/src/main/java/org/weasis/dicom/viewer2d/View2dContainer.java
index 94b327990..8b2145c73 100755
--- a/weasis-dicom/weasis-dicom-viewer2d/src/main/java/org/weasis/dicom/viewer2d/View2dContainer.java
+++ b/weasis-dicom/weasis-dicom-viewer2d/src/main/java/org/weasis/dicom/viewer2d/View2dContainer.java
@@ -687,6 +687,11 @@ private void setKOSpecialElement(
         if (updateAll) {
           List<ViewCanvas<DicomImageElement>> viewList = getImagePanels(true);
           for (ViewCanvas<DicomImageElement> view : viewList) {
+            if (forceUpdate
+                    || updatedKOSelection == view.getActionValue(ActionW.KO_SELECTION.cmd())) {
+              KOManager.updateKOFilter(
+                      view, forceUpdate ? updatedKOSelection : null, enableFilter, -1);
+            }
             ((View2d) view).updateKOButtonVisibleState();
           }
         } else {