From 83e58eadb7b31974cf347e622615dc428da080ea Mon Sep 17 00:00:00 2001
From: Axel Kohlmeyer <akohlmey@gmail.com>
Date: Fri, 15 Oct 2021 20:23:31 -0400
Subject: [PATCH] correct expansion of fix/compute/variable arguments to avoid
 bogus thermo outpu

---
 src/utils.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/utils.cpp b/src/utils.cpp
index 25be3f3b02..507500f116 100644
--- a/src/utils.cpp
+++ b/src/utils.cpp
@@ -661,7 +661,10 @@ int utils::expand_args(const char *file, int line, int narg, char **arg, int mod
       }
 
       for (int index = nlo; index <= nhi; index++) {
-        earg[newarg] = utils::strdup(fmt::format("{}2_{}[{}]{}", word[0], id, index, tail));
+        if (word[1] == '2')
+          earg[newarg] = utils::strdup(fmt::format("{}2_{}[{}]{}", word[0], id, index, tail));
+        else
+          earg[newarg] = utils::strdup(fmt::format("{}_{}[{}]{}", word[0], id, index, tail));
         newarg++;
       }
     } else {