From 965a1acf60e0d0d4addac6029917fdcbde50db51 Mon Sep 17 00:00:00 2001
From: Paul Romano <paul.k.romano@gmail.com>
Date: Wed, 12 Oct 2016 07:45:16 -0500
Subject: [PATCH] Make sure MF=6 distributions get applied to fission products
 correctly

---
 openmc/data/reaction.py | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/openmc/data/reaction.py b/openmc/data/reaction.py
index af903fe8a1..922e13ed4f 100644
--- a/openmc/data/reaction.py
+++ b/openmc/data/reaction.py
@@ -1025,7 +1025,12 @@ class Reaction(EqualityMixin):
 
         if (6, mt) in ev.section:
             # Product angle-energy distribution
-            rx.products = _get_products(ev, mt)
+            for product in _get_products(ev, mt):
+                if mt in (18, 19, 20, 21, 38) and product.particle == 'neutron':
+                    rx.products[0].applicability = product.applicability
+                    rx.products[0].distribution = product.distribution
+                else:
+                    rx.products.append(product)
 
         elif (4, mt) in ev.section or (5, mt) in ev.section:
             # Uncorrelated angle-energy distribution