From 9e40a8328e6668ee80cef41c1b630c9dbb5a9aac Mon Sep 17 00:00:00 2001
From: Sterling Harper <smharper@mit.edu>
Date: Sun, 3 Nov 2019 13:50:22 -0500
Subject: [PATCH] Free tally_deriv_map memory

---
 src/tallies/tally.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/tallies/tally.cpp b/src/tallies/tally.cpp
index f843874118..eea43989ef 100644
--- a/src/tallies/tally.cpp
+++ b/src/tallies/tally.cpp
@@ -1047,6 +1047,7 @@ free_memory_tally()
   {
     model::tally_derivs.clear();
   }
+  model::tally_deriv_map.clear();
 
   model::tally_filters.clear();
   model::filter_map.clear();