diff --git a/cmake-fix-ruby-test.patch b/cmake-fix-ruby-test.patch
new file mode 100644
index 0000000..8731ab9
--- /dev/null
+++ b/cmake-fix-ruby-test.patch
@@ -0,0 +1,13 @@
+Index: cmake-2.8.8/Modules/FindRuby.cmake
+===================================================================
+--- cmake-2.8.8.orig/Modules/FindRuby.cmake	2012-04-18 20:10:54.000000000 +0200
++++ cmake-2.8.8/Modules/FindRuby.cmake	2012-05-14 15:42:52.137253084 +0200
+@@ -93,7 +93,7 @@ IF(RUBY_EXECUTABLE  AND NOT  RUBY_VERSIO
+    _RUBY_CONFIG_VAR("sitelibdir" RUBY_SITELIB_DIR)
+ 
+    # vendor_ruby available ?
+-   EXECUTE_PROCESS(COMMAND ${RUBY_EXECUTABLE} -r vendor-specific -e "print 'true'"
++   EXECUTE_PROCESS(COMMAND ${RUBY_EXECUTABLE} -e "print 'true' unless Config::CONFIG['vendorarchdir'].nil?"
+       OUTPUT_VARIABLE RUBY_HAS_VENDOR_RUBY  ERROR_QUIET)
+ 
+    IF(RUBY_HAS_VENDOR_RUBY)
diff --git a/cmake.changes b/cmake.changes
index 96f7112..4b0456d 100644
--- a/cmake.changes
+++ b/cmake.changes
@@ -1,3 +1,9 @@
+-------------------------------------------------------------------
+Mon May 14 13:43:06 UTC 2012 - coolo@suse.com
+
+- vendor-specific does no longer exist with ruby 1.9, so don't use
+  it to check vendor support
+
 -------------------------------------------------------------------
 Tue Apr 24 15:11:45 UTC 2012 - idonmez@suse.com
 
diff --git a/cmake.spec b/cmake.spec
index def410b..3b57a5b 100644
--- a/cmake.spec
+++ b/cmake.spec
@@ -23,6 +23,7 @@ Url:            http://www.cmake.org/
 Source0:        http://www.cmake.org/files/v2.8/%{name}-%{version}.tar.gz
 Patch1:         cmake-disable-builtin-chrpath.diff
 Patch2:         cmake-pkgconfig.patch
+Patch3:         cmake-fix-ruby-test.patch
 Summary:        Cross-platform, open-source make system
 License:        BSD-3-Clause
 Group:          Development/Tools/Building
@@ -52,6 +53,7 @@ CMake is a cross-platform, open-source make system
 %setup -q
 %patch1
 %patch2 -p1
+%patch3 -p1
 
 %build
 export CXXFLAGS="$RPM_OPT_FLAGS"