diff --git a/source/main.dfm b/source/main.dfm
index a4491f0a..1c8d59ac 100644
--- a/source/main.dfm
+++ b/source/main.dfm
@@ -1228,7 +1228,7 @@ object MainForm: TMainForm
             PopupMenu = popupDataGrid
             TabOrder = 2
             TreeOptions.AutoOptions = [toAutoDropExpand, toAutoScroll, toAutoScrollOnExpand, toAutoTristateTracking, toAutoDeleteMovedNodes, toAutoChangeScale]
-            TreeOptions.MiscOptions = [toAcceptOLEDrop, toEditable, toFullRepaintOnResize, toGridExtensions, toInitOnSave, toToggleOnDblClick, toWheelPanning, toVariableNodeHeight, toEditOnClick]
+            TreeOptions.MiscOptions = [toAcceptOLEDrop, toEditable, toFullRepaintOnResize, toGridExtensions, toInitOnSave, toWheelPanning, toVariableNodeHeight, toEditOnClick, toEditOnDblClick]
             TreeOptions.PaintOptions = [toShowButtons, toShowDropmark, toShowHorzGridLines, toShowVertGridLines, toThemeAware, toUseBlendedImages, toAlwaysHideSelection]
             TreeOptions.SelectionOptions = [toExtendedFocus, toFullRowSelect, toMultiSelect, toRightClickSelect]
             WantTabs = True
@@ -1437,7 +1437,7 @@ object MainForm: TMainForm
             PopupMenu = popupDataGrid
             TabOrder = 1
             TreeOptions.AutoOptions = [toAutoDropExpand, toAutoScroll, toAutoScrollOnExpand, toAutoTristateTracking, toAutoDeleteMovedNodes, toAutoChangeScale]
-            TreeOptions.MiscOptions = [toAcceptOLEDrop, toEditable, toFullRepaintOnResize, toGridExtensions, toInitOnSave, toToggleOnDblClick, toWheelPanning, toVariableNodeHeight, toEditOnClick]
+            TreeOptions.MiscOptions = [toAcceptOLEDrop, toEditable, toFullRepaintOnResize, toGridExtensions, toInitOnSave, toWheelPanning, toVariableNodeHeight, toEditOnClick, toEditOnDblClick]
             TreeOptions.PaintOptions = [toShowButtons, toShowDropmark, toShowHorzGridLines, toShowVertGridLines, toThemeAware, toUseBlendedImages, toAlwaysHideSelection]
             TreeOptions.SelectionOptions = [toExtendedFocus, toMultiSelect, toRightClickSelect]
             Visible = False