diff --git a/src/blsct/pos/proof.h b/src/blsct/pos/proof.h
index 577b2729f2ec5..80e441b5a47f8 100644
--- a/src/blsct/pos/proof.h
+++ b/src/blsct/pos/proof.h
@@ -72,14 +72,14 @@ class ProofOfStake
     void Serialize(Stream& s) const
     {
         ::Serialize(s, setMemProof);
-        ::Serialize(s, rangeProof);
+        ::Serialize(s, Using<bulletproofs_plus::RangeProofWithoutVs<Arith>>(rangeProof));
     }
 
     template <typename Stream>
     void Unserialize(Stream& s)
     {
         ::Unserialize(s, setMemProof);
-        ::Unserialize(s, rangeProof);
+        ::Unserialize(s, Using<bulletproofs_plus::RangeProofWithoutVs<Arith>>(rangeProof));
     }
 
     SetProof setMemProof;