diff --git a/src/class.c b/src/class.c
index 14be8ca9d..6ed216061 100644
--- a/src/class.c
+++ b/src/class.c
@@ -1354,7 +1354,7 @@ mrb_get_args(mrb_state *mrb, mrb_args_format format, ...)
 }
 
 MRB_API mrb_int
-mrb_get_args_a(mrb_state *mrb, mrb_args_format format, void** args)
+mrb_get_args_a(mrb_state *mrb, mrb_args_format format, void **args)
 {
   va_list ap;
   return get_args_v(mrb, format, args, ap);