From d90a27af116fd11f35d0e7c540e4f81902d23767 Mon Sep 17 00:00:00 2001
From: Matthieu Gautier <mgautier@kymeria.fr>
Date: Mon, 12 Aug 2019 16:16:26 +0200
Subject: [PATCH] Fix nameMapper initialization.

---
 src/name_mapper.cpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/name_mapper.cpp b/src/name_mapper.cpp
index 1b749dd33..394e329d0 100644
--- a/src/name_mapper.cpp
+++ b/src/name_mapper.cpp
@@ -35,10 +35,13 @@ HumanReadableNameMapper::HumanReadableNameMapper(kiwix::Library& library, bool w
       continue;
 
     auto aliasName = replaceRegex(bookName, "", "_[[:digit:]]{4}-[[:digit:]]{2}$");
+    if (aliasName == bookName) {
+      continue;
+    }
     if (m_nameToId.find(aliasName) == m_nameToId.end()) {
       m_nameToId[aliasName] = bookId;
     } else {
-      auto alreadyPresentPath = library.getBookById(aliasName).getPath();
+      auto alreadyPresentPath = library.getBookById(m_nameToId[aliasName]).getPath();
       std::cerr << "Path collision: " << alreadyPresentPath
                 << " and " << currentBook.getPath()
                 << " can't share the same URL path '" << aliasName << "'."