diff --git a/.rubocop.yml b/.rubocop.yml
index 86c0202..ea1944a 100644
--- a/.rubocop.yml
+++ b/.rubocop.yml
@@ -717,7 +717,7 @@ Style/LineEndConcatenation:
                  line end.
   Enabled: true
 
-Style/MethodCallParentheses:
+Style/MethodCallWithoutArgsParentheses:
   Description: 'Do not use parentheses for method calls with no arguments.'
   StyleGuide: 'https://github.com/bbatsov/ruby-style-guide#no-args-no-parens'
   Enabled: true
diff --git a/lib/intouch/patches/projects_helper_patch.rb b/lib/intouch/patches/projects_helper_patch.rb
index 5c8204d..83ed416 100644
--- a/lib/intouch/patches/projects_helper_patch.rb
+++ b/lib/intouch/patches/projects_helper_patch.rb
@@ -4,24 +4,35 @@
 module Intouch
   module Patches
     module ProjectsHelperPatch
-      def project_settings_tabs
-        tabs = super
+      def self.included(base)
+        base.send(:include, MethodsPatch)
 
-        return tabs unless User.current.allowed_to?(:manage_intouch_settings, @project)
+        base.class_eval do
+          unloadable
 
-        tabs.push(
-          name: 'intouch_settings',
-          action: :manage_intouch_settings,
-          partial: 'projects/settings/intouch/settings',
-          label: 'intouch.label.settings'
-        )
+          alias_method_chain :project_settings_tabs, :intouch
+        end
+      end
+
+      module MethodsPatch
+        def project_settings_tabs_with_intouch
+          tabs = project_settings_tabs_without_intouch
+
+          return tabs unless User.current.allowed_to?(:manage_intouch_settings, @project)
 
-        tabs
+          tabs.push(
+            name: 'intouch_settings',
+            action: :manage_intouch_settings,
+            partial: 'projects/settings/intouch/settings',
+            label: 'intouch.label.settings'
+          )
+
+          tabs
+        end
       end
     end
   end
 end
 
-
-ProjectsHelper.send(:prepend, Intouch::Patches::ProjectsHelperPatch)
+ProjectsHelper.send(:include, Intouch::Patches::ProjectsHelperPatch)
 ProjectsHelper.send(:include, IntouchHelper)
diff --git a/test/test_helper.rb b/test/test_helper.rb
index 2728bf7..73f26f3 100644
--- a/test/test_helper.rb
+++ b/test/test_helper.rb
@@ -1,7 +1,7 @@
-$VERBOSE = nil # for hide ruby warnings
-
-# Load the Redmine helper
-require File.expand_path(File.dirname(__FILE__) + '/../../../test/test_helper')
-require "minitest/reporters"
-
-Minitest::Reporters.use! Minitest::Reporters::SpecReporter.new
+$VERBOSE = nil # for hide ruby warnings
+
+# Load the Redmine helper
+require File.expand_path(File.dirname(__FILE__) + '/../../../test/test_helper')
+require 'minitest/reporters'
+
+Minitest::Reporters.use! Minitest::Reporters::SpecReporter.new