diff --git a/rrdtool-1.4.7-ruby-2-fix.patch b/rrdtool-1.4.7-ruby-2-fix.patch
index 97e02a6..94ae741 100644
--- a/rrdtool-1.4.7-ruby-2-fix.patch
+++ b/rrdtool-1.4.7-ruby-2-fix.patch
@@ -6,7 +6,7 @@ diff -up rrdtool-1.4.7/bindings/Makefile.in.origs rrdtool-1.4.7/bindings/Makefil
  	$(AM_V_GEN)test -f perl-piped/Makefile && cd perl-piped && $(MAKE) install || true
  	$(AM_V_GEN)test -f perl-shared/Makefile && cd perl-shared && $(MAKE) install || true
 -	$(AM_V_GEN)test -f ruby/Makefile && cd ruby && $(MAKE) EPREFIX=$(DESTDIR)$(exec_prefix) $(RUBY_MAKE_OPTIONS) install || true
-+	$(AM_V_GEN)test -f ruby/Makefile && cd ruby && $(MAKE) EPREFIX=$(DESTDIR)$(exec_prefix) $(RUBY_MAKE_OPTIONS) hdrdir="$(includedir)" rubyhdrdir="$(includedir)" install || true
++	$(AM_V_GEN)test -f ruby/Makefile && $(MKDIR_P) $(DESTDIR)$(libdir)/ruby/vendor_ruby && cd ruby && $(MAKE) EPREFIX=$(DESTDIR)$(exec_prefix) $(RUBY_MAKE_OPTIONS) hdrdir="$(includedir)" rubyhdrdir="$(includedir)" includedir="$(includedir)" install || true
  	$(AM_V_GEN)test -d python/build && cd python && env BUILDLIBDIR=../../src/.libs $(PYTHON) setup.py install --skip-build --prefix=$(DESTDIR)$(prefix) --exec-prefix=$(DESTDIR)$(exec_prefix) || true
  
  # rules for building the ruby module
@@ -14,7 +14,7 @@ diff -up rrdtool-1.4.7/bindings/Makefile.in.origs rrdtool-1.4.7/bindings/Makefil
 -# it is is the right thing todo, but it makes rrdtool build on freebsd as well
  ruby:   Makefile
 -	cd ruby && $(RUBY) extconf.rb && $(MAKE) EPREFIX=$(exec_prefix) $(RUBY_MAKE_OPTIONS) RUBYARCHDIR=
-+	cd ruby && $(RUBY) extconf.rb && $(MKDIR_P) $(DESTDIR)$(libdir)/ruby/vendor_ruby && $(MAKE) EPREFIX=$(exec_prefix) $(RUBY_MAKE_OPTIONS) hdrdir="$(includedir)" rubyhdrdir="$(includedir)"
++	cd ruby && $(RUBY) extconf.rb && $(MAKE) EPREFIX=$(exec_prefix) $(RUBY_MAKE_OPTIONS) hdrdir="$(includedir)" rubyhdrdir="$(includedir)" includedir="$(includedir)"
  
  # rules for building the pyton module
  python: Makefile
diff --git a/rrdtool.spec b/rrdtool.spec
index f9d35e3..f467810 100644
--- a/rrdtool.spec
+++ b/rrdtool.spec
@@ -18,7 +18,7 @@
 Summary: Round Robin Database Tool to store and display time-series data
 Name: rrdtool
 Version: 1.4.7
-Release: 12%{?dist}
+Release: 13%{?dist}
 License: GPLv2+ with exceptions
 Group: Applications/Databases
 URL: http://oss.oetiker.ch/rrdtool/
@@ -205,6 +205,8 @@ cp -p /usr/lib/rpm/config.{guess,sub} php4/
 %endif
 %if %{with_ruby}
     --enable-ruby \
+%else
+    --disable-ruby \
 %endif
     --disable-static \
     --with-pic
@@ -379,6 +381,10 @@ LD_LIBRARY_PATH=%{buildroot}%{_libdir} php -n \
 %endif
 
 %changelog
+* Mon Mar 25 2013 Jaroslav Škarvada <jskarvad@redhat.com> - 1.4.7-13
+- Fixed build failure
+  Resolves: rhbz#926037
+
 * Fri Mar 22 2013 Remi Collet <rcollet@redhat.com> - 1.4.7-12
 - rebuild for http://fedoraproject.org/wiki/Features/Php55
 - remove rrdtool_logo_guid function