diff --git a/src/tracerestrict_gui.cpp b/src/tracerestrict_gui.cpp
index f241b3335c..06c7b02fcf 100644
--- a/src/tracerestrict_gui.cpp
+++ b/src/tracerestrict_gui.cpp
@@ -2028,7 +2028,8 @@ static const NWidgetPart _nested_program_widgets[] = {
 
 	// Program display
 	NWidget(NWID_HORIZONTAL),
-		NWidget(WWT_PANEL, COLOUR_GREY, TR_WIDGET_INSTRUCTION_LIST), SetMinimalSize(372, 62), SetDataTip(0x0, STR_TRACE_RESTRICT_INSTRUCTION_LIST_TOOLTIP), SetResize(1, 1), EndContainer(),
+		NWidget(WWT_PANEL, COLOUR_GREY, TR_WIDGET_INSTRUCTION_LIST), SetMinimalSize(372, 62), SetDataTip(0x0, STR_TRACE_RESTRICT_INSTRUCTION_LIST_TOOLTIP),
+				SetResize(1, 1), SetScrollbar(TR_WIDGET_SCROLLBAR), EndContainer(),
 		NWidget(NWID_VSCROLLBAR, COLOUR_GREY, TR_WIDGET_SCROLLBAR),
 	EndContainer(),