From 21c1081d717a3487bb1e4353725e7b41db13ab14 Mon Sep 17 00:00:00 2001
From: magomedovs <shamil96@mail.ru>
Date: Sat, 22 Aug 2026 02:16:10 +0300
Subject: [PATCH] Fix for the second-order PLM slope reconstruction.

---
 Source/PLM.H | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Source/PLM.H b/Source/PLM.H
index b4566bd23..176b73a51 100644
--- a/Source/PLM.H
+++ b/Source/PLM.H
@@ -71,7 +71,7 @@ plm_slope(
            ? 2.0 * amrex::min<amrex::Real>(std::abs(dlft), std::abs(drgt))
            : 0.0;
 
-  dtemp = 4.0 / 3.0 * dcen - 1.0 / 6.0 * (dfp + dfm);
+  dtemp = (order == 2) ? dcen : 4.0 / 3.0 * dcen - 1.0 / 6.0 * (dfp + dfm);
 
   return flat * dsgn * amrex::min<amrex::Real>(dlim, std::abs(dtemp));
 }