diff --git a/object.c b/object.c
index f31875f8c0..16dce71671 100644
--- a/object.c
+++ b/object.c
@@ -1687,7 +1687,7 @@ rb_true(VALUE obj)
  */
 
 
-VALUE
+MJIT_FUNC_EXPORTED VALUE
 rb_false(VALUE obj)
 {
     return Qfalse;