From e9609df06b5cf151a8d9511cf3d91b12f323391c Mon Sep 17 00:00:00 2001
From: Zeno Rogue <zeno@attnam.com>
Date: Sat, 8 Jan 2022 18:55:06 +0100
Subject: [PATCH] gp:: fixed some cases

---
 goldberg.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/goldberg.cpp b/goldberg.cpp
index 5f3d30e3..7a192c5a 100644
--- a/goldberg.cpp
+++ b/goldberg.cpp
@@ -358,8 +358,10 @@ EX namespace gp {
     auto fix_mirrors = [&] {
       if(ac1.cw.mirrored != hs.mirrored) ac1.cw--;
       if(ac2.cw.mirrored != hs.mirrored) ac2.cw--;
-      auto& ac3 = get_mapping(vc[2]);
-      if(ac3.cw.mirrored != hs.mirrored) ac3.cw--;
+      if(S3 == 4) {
+        auto& ac3 = get_mapping(vc[2]);
+        if(ac3.cw.mirrored != hs.mirrored) ac3.cw--;
+        }
       };
 
     if(S3 == 4 && param == loc(1,1)) {