diff --git a/operating_system.rb b/operating_system.rb
index 29f223e..ed653fd 100644
--- a/operating_system.rb
+++ b/operating_system.rb
@@ -46,8 +46,10 @@ module Gem
         RbConfig::CONFIG['libdir']
       end
 
-      @default_dirs ||= Hash.new do |hash, key|
-        hash[key] = if path = default_locations[key]
+      @default_dirs ||= default_locations.inject(Hash.new) do |hash, location|
+        destination, path = location
+
+        hash[destination] = if path
           {
             :bin_dir => File.join(path, RbConfig::CONFIG['bindir'].split(File::SEPARATOR).last),
             :gem_dir => File.join(path, RbConfig::CONFIG['datadir'].split(File::SEPARATOR).last, 'gems'),
@@ -60,6 +62,8 @@ module Gem
             :ext_dir => ''
           }
         end
+
+        hash
       end
     end
 
diff --git a/ruby.spec b/ruby.spec
index 726c45e..cbe32ba 100644
--- a/ruby.spec
+++ b/ruby.spec
@@ -21,7 +21,7 @@
 %endif
 
 
-%global release 5
+%global release 6
 %{!?release_string:%global release_string %{?development_release:0.}%{release}%{?development_release:.%{development_release}}%{?dist}}
 
 %global rubygems_version 2.4.5
@@ -891,6 +891,9 @@ make check TESTS="-v $DISABLE_TESTS"
 %{ruby_libdir}/tkextlib
 
 %changelog
+* Wed Feb 04 2015 Vít Ondruch <vondruch@redhat.com> - 2.2.0-6
+- Initialize all load paths in operating_system.rb.
+
 * Tue Feb 03 2015 Vít Ondruch <vondruch@redhat.com> - 2.2.0-5
 - Make operating_system.rb more robust.
 - Add RubyGems stub headers for bundled gems.