1 files changed, 10 insertions, 0 deletions
diff --git a/ruby.c b/ruby.c
index 6983791336..44200ab87d 100644
--- a/ruby.c
+++ b/ruby.c
@@ -703,6 +703,16 @@ ruby_prog_init()
     addpath(RUBY_THIN_ARCHLIB);
 #endif
 
+#ifdef RUBY_SITE_LIB
+    addpath(RUBY_SITE_LIB);
+#endif
+#ifdef RUBY_SITE_ARCHLIB
+    addpath(RUBY_SITE_ARCHLIB);
+#endif
+#ifdef RUBY_SITE_THIN_ARCHLIB
+    addpath(RUBY_SITE_THIN_ARCHLIB);
+#endif
+
     if (rb_safe_level() == 0) {
 	addpath(getenv("RUBYLIB"));
     }