1 files changed, 2 insertions, 1 deletions
diff --git a/vm_args.c b/vm_args.c
index cc7f1e29b5..6832849e1e 100644
--- a/vm_args.c
+++ b/vm_args.c
@@ -640,8 +640,9 @@ setup_parameters_complex(rb_execution_context_t * const ec, const rb_iseq_t * co
       case arg_setup_method:
         break; /* do nothing special */
       case arg_setup_block:
-        if (given_argc == (NIL_P(keyword_hash) ? 1 : 2) &&
+        if (given_argc == 1 &&
             allow_autosplat &&
+            !splat_flagged_keyword_hash &&
             (min_argc > 0 || ISEQ_BODY(iseq)->param.opt_num > 1) &&
             !ISEQ_BODY(iseq)->param.flags.ambiguous_param0 &&
             !((ISEQ_BODY(iseq)->param.flags.has_kw ||