From e367ee3879e4d6fcb9a7b241f7039cd85564f0ad Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Kirill=20M=C3=BCller?= <kirill@cynkra.com>
Date: Thu, 6 Mar 2025 10:46:58 +0100
Subject: [PATCH] Extract variable

---
 src/rinterface_extra.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/rinterface_extra.c b/src/rinterface_extra.c
index 250977be25..3181a4a7be 100644
--- a/src/rinterface_extra.c
+++ b/src/rinterface_extra.c
@@ -8657,7 +8657,8 @@ SEXP R_igraph_add_env(SEXP graph) {
     SET_CLASS(result, Rf_duplicate(GET_CLASS(graph)));
   }
 
-  SET_VECTOR_ELT(result, igraph_t_idx_env, Rf_allocSExp(ENVSXP));
+  SEXP env = Rf_allocSExp(ENVSXP);
+  SET_VECTOR_ELT(result, igraph_t_idx_env, env);
 
   uuid_generate(my_id);
   uuid_unparse_lower(my_id, my_id_chr);