From e7508788bc778348c14e0d27fbb9c79d04847eb0 Mon Sep 17 00:00:00 2001
From: Emily Dolson <emilyldolson@gmail.com>
Date: Mon, 4 Dec 2023 22:43:58 -0500
Subject: [PATCH] Fix segfault in load

---
 include/emp/Evolve/Systematics.hpp | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/include/emp/Evolve/Systematics.hpp b/include/emp/Evolve/Systematics.hpp
index 4180bf6eb7..9286c68454 100644
--- a/include/emp/Evolve/Systematics.hpp
+++ b/include/emp/Evolve/Systematics.hpp
@@ -2385,7 +2385,9 @@ namespace emp {
     // Adjust total offspring
     if (adjust_total_offspring) {
       for (auto tax : active_taxa) {
-        tax->parent->AddTotalOffspring();
+        if (tax->parent) {
+          tax->parent->AddTotalOffspring();
+        }
       }
     } else {
       total_offspring_wrong = true;