diff --git a/src/rpcblockchain.cpp b/src/rpcblockchain.cpp
index b76698917..c9e94438c 100644
--- a/src/rpcblockchain.cpp
+++ b/src/rpcblockchain.cpp
@@ -121,6 +121,7 @@ UniValue blockheaderToJSON(const CBlockIndex* blockindex)
     result.push_back(Pair("bits", strprintf("%08x", blockindex->nBits)));
     result.push_back(Pair("difficulty", GetDifficulty(blockindex)));
     result.push_back(Pair("chainwork", blockindex->nChainWork.GetHex()));
+    result.push_back(Pair("segid", (int64_t)blockindex->segid));
 
     if (blockindex->pprev)
         result.push_back(Pair("previousblockhash", blockindex->pprev->GetBlockHash().GetHex()));