--- CBOR-XS/XS.pm	2016/04/25 21:44:13	1.56
+++ CBOR-XS/XS.pm	2016/04/25 21:57:57	1.57
@@ -1112,12 +1112,12 @@
 
    2 => sub { # pos bigint
       require Math::BigInt;
-      Math::BigInt->from_hex ("0x" . unpack "H*", pop)
+      Math::BigInt->new ("0x" . unpack "H*", pop)
    },
 
    3 => sub { # neg bigint
       require Math::BigInt;
-      -Math::BigInt->from_hex ("0x" . unpack "H*", pop)
+      -Math::BigInt->new ("0x" . unpack "H*", pop)
    },
 
    4 => sub { # decimal fraction, array