From aefd08bbfeba67e2f133b53698bc297cfe77516b Mon Sep 17 00:00:00 2001
From: lowercase-donkey <lowercasedonkey@gmail.com>
Date: Mon, 12 Aug 2019 22:28:21 -0400
Subject: [PATCH] fix null

---
 src/SecExp/js/secExp.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/SecExp/js/secExp.js b/src/SecExp/js/secExp.js
index dd93f42c1e4..ea6650e9a57 100644
--- a/src/SecExp/js/secExp.js
+++ b/src/SecExp/js/secExp.js
@@ -861,7 +861,7 @@ App.SecExp.Check = (function() {
 			V.SecExp.buildings.propHub.active = V.SecExp.buildings.propHub.active || 0;
 			if (jsDef(V.SecExp.buildings.pr)) {
 				V.SecExp.buildings.propHub = V.SecExp.buildings.pr;
-				V.SecExp.buildings.pr = null;
+				delete V.SecExp.buildings.pr;
 			}
 			if (jsDef(V.propHub)) {
 				V.SecExp.buildings.propHub.active = V.propHub; delete V.propHub;
-- 
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