From f46c51d3870ed681f792e1823506406ff51de4c6 Mon Sep 17 00:00:00 2001
From: Hleb Valoshka <375gnu@gmail.com>
Date: Sat, 12 Oct 2019 15:58:43 +0300
Subject: [PATCH] Fix duplicated english names (Closes: #441)

---
 src/celengine/body.cpp | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/celengine/body.cpp b/src/celengine/body.cpp
index f55a0207..1f9266f6 100644
--- a/src/celengine/body.cpp
+++ b/src/celengine/body.cpp
@@ -161,8 +161,12 @@ void Body::setName(const string& name)
  */
 void Body::addAlias(const string& alias)
 {
-    names.push_back(alias);
-    system->addAlias(this, alias);
+    // Don't add an alias if it matches the primary name
+    if (alias != names[0])
+    {
+        names.push_back(alias);
+        system->addAlias(this, alias);
+    }
 }