From f207a571f33d6f340772435e0b5146d56cd46cb0 Mon Sep 17 00:00:00 2001
From: Axel Kohlmeyer <akohlmey@gmail.com>
Date: Wed, 23 Oct 2024 21:00:33 -0400
Subject: [PATCH] allow fix DUMMY to be added without a box

---
 src/modify.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/modify.cpp b/src/modify.cpp
index 1a9c056027..a7d0000bc0 100644
--- a/src/modify.cpp
+++ b/src/modify.cpp
@@ -827,7 +827,7 @@ Fix *Modify::add_fix(int narg, char **arg, int trysuffix)
   const char *exceptions[] =
     {"GPU", "OMP", "INTEL", "property/atom", "cmap", "cmap3", "rx",
      "deprecated", "STORE/KIM", "amoeba/pitorsion", "amoeba/bitorsion",
-     nullptr};
+     "DUMMY", nullptr};
   // clang-format on
 
   if (domain->box_exist == 0) {