--- openbabel-2.3.90/scripts/CMakeLists.txt~	2015-11-16 19:52:13.000000000 +0100
+++ openbabel-2.3.90/scripts/CMakeLists.txt	2015-11-16 19:53:09.209431072 +0100
@@ -400,7 +400,7 @@
     endif()
 
     install(TARGETS bindings_ruby
-            LIBRARY DESTINATION ${LIB_INSTALL_DIR}
+	    LIBRARY DESTINATION ${RUBYLIB_INSTALL_DIR}
             COMPONENT bindings_ruby)
 
 endif (DO_RUBY_BINDINGS)