Index: geos/swig/ruby/Makefile.in
===================================================================
--- geos.orig/swig/ruby/Makefile.in	2013-12-06 09:09:30.741373190 +0100
+++ geos/swig/ruby/Makefile.in	2013-12-06 15:23:44.520742796 +0100
@@ -334,7 +334,7 @@
 # Build Ruby module as shared library
 @ENABLE_RUBY_TRUE@rubyextensiondir_LTLIBRARIES = geos.la
 @ENABLE_RUBY_TRUE@geos_la_SOURCES = geos_wrap.cxx
-@ENABLE_RUBY_TRUE@geos_la_LIBADD = $(top_builddir)/capi/libgeos_c.la -l$(RUBY_SO_NAME)
+@ENABLE_RUBY_TRUE@geos_la_LIBADD = $(top_builddir)/capi/libgeos_c.la /usr/lib/$(RUBY_SO_NAME)
 
 # Only need to grab the capi header files
 @ENABLE_RUBY_TRUE@geos_la_CPPFLAGS = -I$(top_builddir)/capi
