diff --git a/operating_system.rb b/operating_system.rb
index d7d5702..8e742fe 100644
--- a/operating_system.rb
+++ b/operating_system.rb
@@ -38,6 +38,14 @@ module Gem
     end
     private :rpmbuild?
 
+    ##
+    # Get enabled SCLs in order of (most) dependent SCL to base SCL
+
+    def x_scls
+      @x_scls ||= ENV['X_SCLS'].split(' ').reverse!
+    end
+    private :x_scls
+
     ##
     # Default gems locations allowed on FHS system (/usr, /usr/share).
     # The locations are derived from directories specified during build
@@ -54,7 +62,7 @@ module Gem
       if ENV['GEM_PATH']
         gem_paths = ENV['GEM_PATH'].split(':')
 
-        ENV['X_SCLS'].split(' ').each do |scl|
+        x_scls.each do |scl|
           next if scl == '@SCL@'
 
           regexp = /#{scl}\/root\/usr\/share\/gems/
@@ -64,7 +72,7 @@ module Gem
             @default_locations["#{scl}_system".to_sym] = "#{prefix}#{scl}/root/usr"
             @default_locations["#{scl}_local".to_sym] = "#{prefix}#{scl}/root/usr/local"
           end
-        end if ENV['X_SCLS']
+        end
       end
 
       @default_locations
@@ -117,7 +125,7 @@ module Gem
 
     def default_dir
       if opt_build_root?
-        scl_prefix = ENV['X_SCLS'].split(' ').detect {|c| c != '@SCL@'}
+        scl_prefix = x_scls.detect {|c| c != '@SCL@'}
         scl_prefix = scl_prefix ? scl_prefix + '_': nil
 
         Gem.default_dirs[:"#{scl_prefix}system"][:gem_dir]
@@ -135,7 +143,7 @@ module Gem
 
     def default_bindir
       if opt_build_root?
-        scl_prefix = ENV['X_SCLS'].split(' ').detect {|c| c != '@SCL@'}
+        scl_prefix = x_scls.detect {|c| c != '@SCL@'}
         scl_prefix = scl_prefix ? scl_prefix + '_': nil
 
         Gem.default_dirs[:"#{scl_prefix}system"][:bin_dir]
@@ -148,7 +156,7 @@ module Gem
 
     def default_ext_dir_for base_dir
       dir = if rpmbuild?
-        scl_prefix = ENV['X_SCLS'].split(' ').detect {|c| c != '@SCL@' && base_dir =~ /\/#{c}\//}
+        scl_prefix = x_scls.detect {|c| c != '@SCL@' && base_dir =~ /\/#{c}\//}
         scl_prefix = scl_prefix ? scl_prefix + '_': nil
 
         build_dir = base_dir.chomp Gem.default_dirs[:"#{scl_prefix}system"][:gem_dir]
diff --git a/ruby.spec b/ruby.spec
index a84a813..c030e04 100644
--- a/ruby.spec
+++ b/ruby.spec
@@ -23,7 +23,7 @@
 %global ruby_archive %{ruby_archive}-%{?milestone}%{?!milestone:%{?revision:r%{revision}}}
 %endif
 
-%global release 61
+%global release 62
 %{!?release_string:%global release_string %{?development_release:0.}%{release}%{?development_release:.%{development_release}}%{?dist}}
 
 # The RubyGems library has to stay out of Ruby directory three, since the
@@ -972,6 +972,9 @@ TZ=UTC make check TESTS="-v $DISABLE_TESTS"
 %{ruby_libdir}/tkextlib
 
 %changelog
+* Fri Aug 12 2016 Pavel Valena <pvalena@redhat.com> - 2.3.0-62
+- Fix support for dependent^2 SCLs
+
 * Mon Jul 25 2016 Pavel Valena <pvalena@redhat.com> - 2.3.0-61
 - Add %%{scl}-runtime to Requires in libs subpackage
 
diff --git a/test_dependent_scls.rb b/test_dependent_scls.rb
index 1388f94..30c49ee 100644
--- a/test_dependent_scls.rb
+++ b/test_dependent_scls.rb
@@ -7,7 +7,7 @@ class TestDependentSCLS < Test::Unit::TestCase
 
   def setup
     # Avoid caching
-    Gem.class_eval("@default_locations, @default_dirs = nil, nil")
+    Gem.class_eval("@x_scls, @default_locations, @default_dirs = nil, nil, nil")
 
     # TODO: Different bin dir during build ("/builddir/build/BUILD/ruby-2.0.0-p247")
     @bin_dir = Gem::ConfigMap[:bindir].split(File::SEPARATOR).last