diff --git a/src/rpcblockchain.cpp b/src/rpcblockchain.cpp
index c9e94438c..d870ad75e 100644
--- a/src/rpcblockchain.cpp
+++ b/src/rpcblockchain.cpp
@@ -147,6 +147,7 @@ UniValue blockToDeltasJSON(const CBlock& block, const CBlockIndex* blockindex)
     result.push_back(Pair("height", blockindex->nHeight));
     result.push_back(Pair("version", block.nVersion));
     result.push_back(Pair("merkleroot", block.hashMerkleRoot.GetHex()));
+    result.push_back(Pair("segid", (int64_t)blockindex->segid));
 
     UniValue deltas(UniValue::VARR);
 
@@ -263,6 +264,7 @@ UniValue blockToJSON(const CBlock& block, const CBlockIndex* blockindex, bool tx
     result.push_back(Pair("height", blockindex->nHeight));
     result.push_back(Pair("version", block.nVersion));
     result.push_back(Pair("merkleroot", block.hashMerkleRoot.GetHex()));
+    result.push_back(Pair("segid", (int64_t)blockindex->segid));
     UniValue txs(UniValue::VARR);
     BOOST_FOREACH(const CTransaction&tx, block.vtx)
     {