From 901b4fcf227cf4a1ef1ad746efacce4ce2e8b12e Mon Sep 17 00:00:00 2001
From: Geoffroy Lesur <geoffroy.lesur@univ-grenoble-alpes.fr>
Date: Thu, 2 Jul 2026 13:51:14 +0200
Subject: [PATCH] fix segfault when using UCT_HLL with dimensions <3

---
 src/fluid/RiemannSolver/MHDsolvers/storeFlux.hpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/fluid/RiemannSolver/MHDsolvers/storeFlux.hpp b/src/fluid/RiemannSolver/MHDsolvers/storeFlux.hpp
index 921a312ac..b376befe0 100644
--- a/src/fluid/RiemannSolver/MHDsolvers/storeFlux.hpp
+++ b/src/fluid/RiemannSolver/MHDsolvers/storeFlux.hpp
@@ -62,8 +62,8 @@ KOKKOS_FORCEINLINE_FUNCTION void K_StoreHLL( const int i, const int j, const int
   real al = std::fmin(ZERO_F, sl);
   real scrh = ONE_F/(ar - al);
 
-  #if COMPONENTS > 1
-  EXPAND( Et(k,j,i) = -st*(ar*vL[Xt] - al*vR[Xt])*scrh;  ,
+  #if DIMENSIONS > 1
+  D_EXPAND( Et(k,j,i) = -st*(ar*vL[Xt] - al*vR[Xt])*scrh;  ,
                                                         ,
           Eb(k,j,i) = -sb*(ar*vL[Xb] - al*vR[Xb])*scrh;  );
   #endif