1 files changed, 1 insertions, 1 deletions
diff --git a/hash.c b/hash.c
index 3abd5f7f34..fecf714790 100644
--- a/hash.c
+++ b/hash.c
@@ -196,7 +196,7 @@ rb_hash_foreach(VALUE hash, int (*func) (/* ??? */), VALUE farg)
     rb_ensure(hash_foreach_call, (VALUE)&arg, hash_foreach_ensure, hash);
 }
 
-static VALUE hash_alloc _((VALUE));
+static VALUE hash_alloc(VALUE);
 
 static VALUE
 hash_alloc(VALUE klass)