From 014da21bf56bde288e6fd3fb8ae168b1515057b1 Mon Sep 17 00:00:00 2001
From: Thorsten Eckel <te@znuny.com>
Date: Fri, 4 Nov 2016 20:18:09 +0100
Subject: [PATCH] Fixed bug: Last entries get lost.

---
 lib/github_changelog_generator/generator/generator_processor.rb | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/lib/github_changelog_generator/generator/generator_processor.rb b/lib/github_changelog_generator/generator/generator_processor.rb
index cf25dc5..f1eb286 100644
--- a/lib/github_changelog_generator/generator/generator_processor.rb
+++ b/lib/github_changelog_generator/generator/generator_processor.rb
@@ -97,6 +97,8 @@ module GitHubChangelogGenerator
     def ensure_older_tag(older_tag, newer_tag)
       return older_tag if older_tag
       idx = sorted_tags.index { |t| t["name"] == newer_tag["name"] }
+      # skip if we are already at the oldest element
+      return if idx == sorted_tags.size - 1
       sorted_tags[idx - 1]
     end