1 files changed, 1 insertions, 1 deletions
diff --git a/marshal.c b/marshal.c
index 7e16d0b024..61eb01e721 100644
--- a/marshal.c
+++ b/marshal.c
@@ -1772,7 +1772,7 @@ r_object0(struct load_arg *arg, int *ivp, VALUE extmod)
 	{
 	    long len = r_long(arg);
 
-	    v = rb_hash_new();
+	    v = rb_hash_new_with_size(len);
 	    v = r_entry(v, arg);
 	    arg->readable += (len - 1) * 2;
 	    while (len--) {