From c2ef54525a449c9ce72b5a3bfc3210f9684c74fb Mon Sep 17 00:00:00 2001
From: PeterN <peter1138@openttd.org>
Date: Thu, 21 Sep 2023 07:42:49 +0100
Subject: [PATCH] Fix #11326: Update autoreplace scrollbar count after clearing
 engine list. (#11327)

(cherry picked from commit cef6a5f79c28cee1030c08ec19a87667338ce508)
---
 src/autoreplace_gui.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/autoreplace_gui.cpp b/src/autoreplace_gui.cpp
index 7979495d06..1974b92bcf 100644
--- a/src/autoreplace_gui.cpp
+++ b/src/autoreplace_gui.cpp
@@ -227,6 +227,7 @@ class ReplaceVehicleWindow : public Window {
 				/* Always empty the right engines list when nothing is selected in the left engines list */
 				this->engines[1].clear();
 				this->sel_engine[1] = INVALID_ENGINE;
+				this->vscroll[1]->SetCount(this->engines[1].size());
 			} else {
 				if (this->reset_sel_engine && this->sel_engine[0] != INVALID_ENGINE) {
 					/* Select the current replacement for sel_engine[0]. */