1 files changed, 1 insertions, 1 deletions
diff --git a/eval.c b/eval.c
index 8a1ff85a00..3b59db95c8 100644
--- a/eval.c
+++ b/eval.c
@@ -1998,7 +1998,7 @@ rb_obj_instance_eval(int argc, VALUE *argv, VALUE self)
     VALUE klass;
 
     if (SPECIAL_CONST_P(self)) {
-	klass = Qnil;
+	klass = CLASS_OF(self); //klass = Qnil;
     }
     else {
 	klass = rb_singleton_class(self);