diff --git a/lib/github_changelog_generator/generator/generator_generation.rb b/lib/github_changelog_generator/generator/generator_generation.rb
index 1021372..7351eb7 100644
--- a/lib/github_changelog_generator/generator/generator_generation.rb
+++ b/lib/github_changelog_generator/generator/generator_generation.rb
@@ -21,8 +21,10 @@ module GitHubChangelogGenerator
 
       log += File.read(options[:base]) if File.file?(options[:base])
 
-      credit_line = "\* *This Change Log was automatically generated by [github_changelog_generator](https://github.com/skywinder/Github-Changelog-Generator)*"
-      log += "\n\n#{credit_line}" unless log.include?(credit_line)
+      credit_line = "\n\n\\* *This Change Log was automatically generated by [github_changelog_generator](https://github.com/skywinder/Github-Changelog-Generator)*"
+      log.gsub!(credit_line, "") # Remove old credit lines
+      log += credit_line
+
       @log = log
     end