From a1c6923c632911b4485bf8df94a4af2f0e6f153f Mon Sep 17 00:00:00 2001
From: Jonathan G Rennison <j.g.rennison@gmail.com>
Date: Tue, 17 Oct 2023 21:25:48 +0100
Subject: [PATCH] Fix: Assertion in sprite aligner window (#11371)

When clicking sprite number after re-opening window having previously used sprite picker tool
---
 src/newgrf_debug_gui.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/newgrf_debug_gui.cpp b/src/newgrf_debug_gui.cpp
index c7fee2751b..db58442914 100644
--- a/src/newgrf_debug_gui.cpp
+++ b/src/newgrf_debug_gui.cpp
@@ -826,6 +826,7 @@ struct SpriteAlignerWindow : Window {
 	{
 		this->CreateNestedTree();
 		this->vscroll = this->GetScrollbar(WID_SA_SCROLLBAR);
+		this->vscroll->SetCount(_newgrf_debug_sprite_picker.sprites.size());
 		this->FinishInitNested(wno);
 
 		this->SetWidgetLoweredState(WID_SA_CENTRE, SpriteAlignerWindow::centre);