1 files changed, 3 insertions, 4 deletions
diff --git a/mrbgems/mruby-object-ext/src/object.c b/mrbgems/mruby-object-ext/src/object.c
index 8a2325ef9..35a07b584 100644
--- a/mrbgems/mruby-object-ext/src/object.c
+++ b/mrbgems/mruby-object-ext/src/object.c
@@ -1,6 +1,7 @@
 #include <mruby.h>
 #include <mruby/array.h>
 #include <mruby/class.h>
+#include <mruby/proc.h>
 
 /*
  *  call-seq:
@@ -66,7 +67,6 @@ mrb_obj_instance_exec(mrb_state *mrb, mrb_value self)
   mrb_int argc;
   mrb_value blk;
   struct RClass *c;
-  mrb_value args;
 
   mrb_get_args(mrb, "*&", &argv, &argc, &blk);
 
@@ -84,9 +84,8 @@ mrb_obj_instance_exec(mrb_state *mrb, mrb_value self)
     c = mrb_class_ptr(mrb_singleton_class(mrb, self));
     break;
   }
-  args = mrb_ary_new_from_values(mrb, argc, argv);
-  argv = RARRAY_PTR(args);
-  return mrb_yield_with_class(mrb, blk, argc, argv, self, c);
+  mrb->c->ci->target_class = c;
+  return mrb_yield_cont(mrb, blk, self, argc, argv);
 }
 
 void