1 files changed, 2 insertions, 1 deletions
diff --git a/iseq.h b/iseq.h
index 393ba67593..f659708aba 100644
--- a/iseq.h
+++ b/iseq.h
@@ -30,7 +30,8 @@ struct st_table *ruby_insn_make_insn_table(void);
 #define ISEQ_TYPE_RESCUE INT2FIX(5)
 #define ISEQ_TYPE_ENSURE INT2FIX(6)
 #define ISEQ_TYPE_EVAL   INT2FIX(7)
-#define ISEQ_TYPE_DEFINED_GUARD INT2FIX(8)
+#define ISEQ_TYPE_MAIN   INT2FIX(8)
+#define ISEQ_TYPE_DEFINED_GUARD INT2FIX(9)
 
 #define CATCH_TYPE_RESCUE INT2FIX(1)
 #define CATCH_TYPE_ENSURE INT2FIX(2)