From 4baca47f728b6136b80e0d01b71507ef75d3474b Mon Sep 17 00:00:00 2001
From: William JCM <w.jcm59@gmail.com>
Date: Tue, 3 Aug 2021 20:29:35 +0200
Subject: [PATCH] ResearchTree: fix a typo.

---
 src/ResearchTree/ResearchTree.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/ResearchTree/ResearchTree.cpp b/src/ResearchTree/ResearchTree.cpp
index db2dbba..b6ddb3e 100644
--- a/src/ResearchTree/ResearchTree.cpp
+++ b/src/ResearchTree/ResearchTree.cpp
@@ -389,7 +389,7 @@ void ResearchTree::readEngineUnlocks(Containers::ArrayView<Int> engines, Contain
         }
     }
 
-    if(gears == nullptr || engines.size() == 0) {
+    if(gears == nullptr || gears.size() == 0) {
         return;
     }