diff --git a/src/miner.cpp b/src/miner.cpp
index 28a53e3f0..a04654e0c 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -132,6 +132,7 @@ int32_t My_notaryid = -1;
 int32_t komodo_chosennotary(int32_t *notaryidp,int32_t height,uint8_t *pubkey33,uint32_t timestamp);
 int32_t komodo_pax_opreturn(int32_t height,uint8_t *opret,int32_t maxsize);
 int32_t komodo_baseid(char *origbase);
+int32_t komodo_longestchain();
 int32_t komodo_validate_interest(const CTransaction &tx,int32_t txheight,uint32_t nTime,int32_t dispflag);
 int64_t komodo_block_unlocktime(uint32_t nHeight);
 uint64_t komodo_commission(const CBlock *block,int32_t height);