1 files changed, 1 insertions, 1 deletions
diff --git a/cont.c b/cont.c
index ea21b322b5..4b60c7803d 100644
--- a/cont.c
+++ b/cont.c
@@ -1802,7 +1802,7 @@ rb_fiber_start(void)
         th->ec->root_svar = Qfalse;
 
         EXEC_EVENT_HOOK(th->ec, RUBY_EVENT_FIBER_SWITCH, th->self, 0, 0, 0, Qnil);
-        cont->value = rb_vm_invoke_proc(th->ec, proc, argc, argv, VM_BLOCK_HANDLER_NONE);
+        cont->value = rb_vm_invoke_proc(th->ec, proc, argc, argv, 0 /* kw_splat */, VM_BLOCK_HANDLER_NONE);
     }
     EC_POP_TAG();