1 files changed, 1 insertions, 2 deletions
diff --git a/include/mruby.h b/include/mruby.h
index 3f78e66c6..b54e4f98e 100644
--- a/include/mruby.h
+++ b/include/mruby.h
@@ -152,8 +152,7 @@ typedef struct {
   mrb_sym mid;
   const struct RProc *proc;
   mrb_value *stack;
-  const mrb_code *pc;           /* return address */
-  const mrb_code *err;          /* error position */
+  const mrb_code *pc;           /* current address on iseq of this proc */
   int16_t argc;
   int16_t acc;
   union {