--- geos-3.3.8/macros/ruby.m4~	2013-07-14 21:24:58.543846706 +0200
+++ geos-3.3.8/macros/ruby.m4	2013-07-14 21:34:50.456329482 +0200
@@ -33,7 +33,7 @@
 		RUBY_LIB_DIR=`$RUBY -rrbconfig -e 'puts Config::CONFIG[["libdir"]]'`
 
 		dnl Get Ruby extensions directory
-		RUBY_EXTENSION_DIR=`$RUBY -rrbconfig -e 'puts Config::CONFIG[["sitearchdir"]]'`
+		RUBY_EXTENSION_DIR=`$RUBY -rrbconfig -e 'puts 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 Config::CONFIG[["RUBY_SO_NAME"]]'`