diff --git a/CHANGELOG.md b/CHANGELOG.md
index a473be1..86164ac 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,8 +1,19 @@
 # Change Log
 
+## [1.13.0](https://github.com/skywinder/github-changelog-generator/tree/1.13.0) (2016-07-04)
+[Full Changelog](https://github.com/skywinder/github-changelog-generator/compare/1.12.1...1.13.0)
+
+**Merged pull requests:**
+
+- Carry PR \#301: usernames\_as\_github\_logins [\#392](https://github.com/skywinder/github-changelog-generator/pull/392) ([olleolleolle](https://github.com/olleolleolle))
+
 ## [1.12.1](https://github.com/skywinder/github-changelog-generator/tree/1.12.1) (2016-05-09)
 [Full Changelog](https://github.com/skywinder/github-changelog-generator/compare/1.12.0...1.12.1)
 
+**Fixed bugs:**
+
+- github\_changelog\_generator/generator/generator\_tags.rb:61:in `detect\_since\_tag': undefined method `\[\]' for nil:NilClass \(NoMethodError\) [\#351](https://github.com/skywinder/github-changelog-generator/issues/351)
+
 **Closed issues:**
 
 - Add a LICENSE file [\#369](https://github.com/skywinder/github-changelog-generator/issues/369)
@@ -505,10 +516,6 @@
 
 - Encapsulate \[ \> \* \_ \ \] signs in issues names [\#34](https://github.com/skywinder/github-changelog-generator/issues/34)
 
-**Merged pull requests:**
-
-- Add a Bitdeli Badge to README [\#36](https://github.com/skywinder/github-changelog-generator/pull/36) ([bitdeli-chef](https://github.com/bitdeli-chef))
-
 ## [1.2.1](https://github.com/skywinder/github-changelog-generator/tree/1.2.1) (2014-11-22)
 [Full Changelog](https://github.com/skywinder/github-changelog-generator/compare/1.2.0...1.2.1)
 
diff --git a/Gemfile.lock b/Gemfile.lock
index 0cae2f4..f8c6a1d 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -1,7 +1,7 @@
 PATH
   remote: .
   specs:
-    github_changelog_generator (1.12.1)
+    github_changelog_generator (1.13.0)
       colorize (~> 0.7)
       github_api (~> 0.12)
       rake (>= 10.0)
@@ -105,4 +105,4 @@ DEPENDENCIES
   simplecov (~> 0.10)
 
 BUNDLED WITH
-   1.12.0.rc.2
+   1.12.5
diff --git a/lib/github_changelog_generator/fetcher.rb b/lib/github_changelog_generator/fetcher.rb
index f375119..4db61b9 100644
--- a/lib/github_changelog_generator/fetcher.rb
+++ b/lib/github_changelog_generator/fetcher.rb
@@ -71,7 +71,7 @@ module GitHubChangelogGenerator
       response.each_page do |page|
         page_i += PER_PAGE_NUMBER
         print_in_same_line("Fetching tags... #{page_i}/#{count_pages * PER_PAGE_NUMBER}")
-        tags.concat(page)
+        tags.concat(page) unless page.nil?
       end
       print_empty_line
 
diff --git a/lib/github_changelog_generator/generator/generator_generation.rb b/lib/github_changelog_generator/generator/generator_generation.rb
index b22fe40..44df8df 100644
--- a/lib/github_changelog_generator/generator/generator_generation.rb
+++ b/lib/github_changelog_generator/generator/generator_generation.rb
@@ -160,7 +160,7 @@ module GitHubChangelogGenerator
     # Parse issue and generate single line formatted issue line.
     #
     # Example output:
-    # - Add coveralls integration [\#223](https://github.com/skywinder/github-changelog-generator/pull/223) ([skywinder](https://github.com/skywinder))
+    # - Add coveralls integration [\#223](https://github.com/skywinder/github-changelog-generator/pull/223) (@skywinder)
     #
     # @param [Hash] issue Fetched issue from GitHub
     # @return [String] Markdown-formatted single issue
@@ -168,17 +168,22 @@ module GitHubChangelogGenerator
       encapsulated_title = encapsulate_string issue[:title]
 
       title_with_number = "#{encapsulated_title} [\\##{issue[:number]}](#{issue.html_url})"
+      issue_line_with_user(title_with_number, issue)
+    end
 
-      unless issue.pull_request.nil?
-        if @options[:author]
-          title_with_number += if issue.user.nil?
-                                 " ({Null user})"
-                               else
-                                 " ([#{issue.user.login}](#{issue.user.html_url}))"
-                               end
-        end
+    private
+
+    def issue_line_with_user(line, issue)
+      return line if !@options[:author] || issue.pull_request.nil?
+
+      user = issue.user
+      return "#{line} ({Null user})" unless user
+
+      if @options[:usernames_as_github_logins]
+        "#{line} (@#{user.login})"
+      else
+        "#{line} ([#{user.login}](#{user.html_url}))"
       end
-      title_with_number
     end
   end
 end
diff --git a/lib/github_changelog_generator/parser.rb b/lib/github_changelog_generator/parser.rb
index 75a846e..cdd673e 100644
--- a/lib/github_changelog_generator/parser.rb
+++ b/lib/github_changelog_generator/parser.rb
@@ -92,6 +92,9 @@ module GitHubChangelogGenerator
         opts.on("--[no-]author", "Add author of pull-request in the end. Default is true") do |author|
           options[:author] = author
         end
+        opts.on("--usernames-as-github-logins", "Use GitHub tags instead of Markdown links for the author of an issue or pull-request.") do |v|
+          options[:usernames_as_github_logins] = v
+        end
         opts.on("--unreleased-only", "Generate log from unreleased closed issues only.") do |v|
           options[:unreleased_only] = v
         end