--- geos-3.4.1/macros/ruby.m4.orig	2013-08-25 17:32:42.246534073 +0200
+++ geos-3.4.1/macros/ruby.m4	2013-08-25 17:34:56.293195116 +0200
@@ -35,7 +35,7 @@
 		RUBY_LIB_DIR=`$RUBY -rrbconfig -e 'puts RbConfig::CONFIG[["libdir"]] || Config::CONFIG[["libdir"]]'`
 
 		dnl Get Ruby extensions directory
-		RUBY_EXTENSION_DIR=`$RUBY -rrbconfig -e 'puts RbConfig::CONFIG[["sitearchdir"]] || Config::CONFIG[["sitearchdir"]]'`
+		RUBY_EXTENSION_DIR=`$RUBY -rrbconfig -e 'puts RbConfig::CONFIG[["vendorarchdir"]] || Config::CONFIG[["vendorarchdir"]]'`
 
 		dnl Get Ruby shared library name, this does not include the lib prefix or extension name
 		RUBY_SO_NAME=`$RUBY -rrbconfig -e 'puts RbConfig::CONFIG[["LIBRUBY_SO"]] || Config::CONFIG[["RUBY_SO_NAME"]]'`