1 files changed, 5 insertions, 0 deletions
diff --git a/ruby.c b/ruby.c
index 33522f8b4d..ab08fd8c76 100644
--- a/ruby.c
+++ b/ruby.c
@@ -595,6 +595,11 @@ ruby_prog_init()
     if (rb_safe_level() == 0) {
 	addpath(getenv("RUBYLIB"));
     }
+
+#ifdef RUBY_THIN_ARCHLIB
+    addpath(RUBY_THIN_ARCHLIB);
+#endif
+
 #ifdef RUBY_ARCHLIB
     addpath(RUBY_ARCHLIB);
 #endif