diff --git a/src/miner.cpp b/src/miner.cpp
index 78dcbea9d..b02a62513 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -654,6 +654,7 @@ static bool ProcessBlockFound(CBlock* pblock)
 
 int32_t komodo_baseid(char *origbase);
 int32_t komodo_eligiblenotary(uint8_t pubkeys[66][33],int32_t *mids,int32_t *nonzpkeysp,int32_t height);
+arith_uint256 komodo_PoWtarget(int32_t *percPoSp,arith_uint256 target,int32_t height,int32_t goalperc);
 int32_t FOUND_BLOCK,KOMODO_MAYBEMINED;
 extern int32_t KOMODO_LASTMINED;
 int32_t roundrobin_delay;