1 files changed, 1 insertions, 0 deletions
diff --git a/iseq.c b/iseq.c
index e1c18e7a8a..36f8ef6ccc 100644
--- a/iseq.c
+++ b/iseq.c
@@ -1992,6 +1992,7 @@ rb_insn_operand_intern(const rb_iseq_t *iseq,
 		CALL_FLAG(ZSUPER);
 		CALL_FLAG(KWARG);
 		CALL_FLAG(KW_SPLAT);
+                CALL_FLAG(KW_SPLAT_MUT);
 		CALL_FLAG(OPT_SEND); /* maybe not reachable */
 		rb_ary_push(ary, rb_ary_join(flags, rb_str_new2("|")));
 	    }