From 08938463f1c23b963925e16d7ff6cd99d3f57196 Mon Sep 17 00:00:00 2001
From: Jeff Young <jeff@rokeby.ie>
Date: Fri, 29 Oct 2021 20:40:19 +0100
Subject: [PATCH] Fix off-by-one error in via sizes.

Fixes https://gitlab.com/kicad/code/kicad/issues/9486
---
 pcbnew/dialogs/dialog_track_via_properties.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/pcbnew/dialogs/dialog_track_via_properties.cpp b/pcbnew/dialogs/dialog_track_via_properties.cpp
index 1f3017de2f..debe586b24 100644
--- a/pcbnew/dialogs/dialog_track_via_properties.cpp
+++ b/pcbnew/dialogs/dialog_track_via_properties.cpp
@@ -279,7 +279,7 @@ DIALOG_TRACK_VIA_PROPERTIES::DIALOG_TRACK_VIA_PROPERTIES( PCB_BASE_FRAME* aParen
                 && m_viaDiameter.GetValue() == viaDimension->m_Diameter
                 && m_viaDrill.GetValue() == viaDimension->m_Drill )
             {
-                viaSelection = ii;
+                viaSelection = ii - 1;
             }
         }