1 files changed, 2 insertions, 2 deletions
diff --git a/mrbgems/mruby-proc-ext/src/proc.c b/mrbgems/mruby-proc-ext/src/proc.c
index 964a7c9bb..341001f05 100644
--- a/mrbgems/mruby-proc-ext/src/proc.c
+++ b/mrbgems/mruby-proc-ext/src/proc.c
@@ -137,8 +137,8 @@ mrb_local_variables(mrb_state *mrb, mrb_value self)
   }
 
   irep = proc->body.irep;
-  ret = mrb_ary_new_capa(mrb, irep->lv_len);
-  for (i = 0; i < irep->lv_len; ++i) {
+  ret = mrb_ary_new_capa(mrb, irep->nlocals - 1);
+  for (i = 0; i < (irep->nlocals - 1); ++i) {
     mrb_ary_push(mrb, ret, mrb_symbol_value(irep->lv[i].name));
   }