diff --git a/Source/Editor/CustomEditors/Editors/CultureInfoEditor.cs b/Source/Editor/CustomEditors/Editors/CultureInfoEditor.cs
index d04b5b6da..e1a2b0195 100644
--- a/Source/Editor/CustomEditors/Editors/CultureInfoEditor.cs
+++ b/Source/Editor/CustomEditors/Editors/CultureInfoEditor.cs
@@ -123,9 +123,9 @@ namespace FlaxEditor.CustomEditors.Editors
             {
                 if (tree.IsLayoutLocked)
                     return;
-                root.LockChildrenRecursive();
+                tree.LockChildrenRecursive();
                 Utilities.Utils.UpdateSearchPopupFilter(root, searchBox.Text);
-                root.UnlockChildrenRecursive();
+                tree.UnlockChildrenRecursive();
                 menu.PerformLayout();
             };
             root.ExpandAll(true);
diff --git a/Source/Editor/CustomEditors/Editors/TagEditor.cs b/Source/Editor/CustomEditors/Editors/TagEditor.cs
index ab5fd5d1a..3d2dd86aa 100644
--- a/Source/Editor/CustomEditors/Editors/TagEditor.cs
+++ b/Source/Editor/CustomEditors/Editors/TagEditor.cs
@@ -593,9 +593,9 @@ namespace FlaxEditor.CustomEditors.Editors
             {
                 if (tree.IsLayoutLocked)
                     return;
-                root.LockChildrenRecursive();
+                tree.LockChildrenRecursive();
                 Utilities.Utils.UpdateSearchPopupFilter(root, searchBox.Text);
-                root.UnlockChildrenRecursive();
+                tree.UnlockChildrenRecursive();
                 menu.PerformLayout();
             };