diff --git a/src/Gui/Tree.cpp b/src/Gui/Tree.cpp
index 0dada0e958..9afdb6a3ff 100644
--- a/src/Gui/Tree.cpp
+++ b/src/Gui/Tree.cpp
@@ -3199,6 +3199,20 @@ void TreeWidget::synchronizeSelectionCheckBoxes() {
     }
 }
 
+void TreeWidget::updateVisibilityIcons() {
+    for (auto tree : TreeWidget::Instances) {
+        QSignalBlocker blocker(tree);
+        for (QTreeWidgetItemIterator it(tree); *it; ++it) {
+            auto item = *it;
+            if (item->type() == ObjectType) {
+                auto objitem = static_cast<DocumentObjectItem*>(item);
+                objitem->testStatus(true);
+            }
+        }
+        tree->resizeColumnToContents(0);
+    }
+}
+
 QList<QTreeWidgetItem*> TreeWidget::childrenOfItem(const QTreeWidgetItem& item) const {
     QList children = QList<QTreeWidgetItem*>();
 
diff --git a/src/Gui/Tree.h b/src/Gui/Tree.h
index 02597a19ea..4f303710fa 100644
--- a/src/Gui/Tree.h
+++ b/src/Gui/Tree.h
@@ -122,6 +122,7 @@ public:
     void itemSearch(const QString &text, bool select);
 
     static void synchronizeSelectionCheckBoxes();
+    static void updateVisibilityIcons();
 
     QList<QTreeWidgetItem *> childrenOfItem(const QTreeWidgetItem &item) const;