diff --git a/src/cc/CCinclude.h b/src/cc/CCinclude.h
index 197929277..43b851cc6 100644
--- a/src/cc/CCinclude.h
+++ b/src/cc/CCinclude.h
@@ -179,7 +179,7 @@ int64_t CCduration(int32_t &numblocks,uint256 txid);
 bool komodo_txnotarizedconfirmed(uint256 txid);
 // CCtx
 bool SignTx(CMutableTransaction &mtx,int32_t vini,int64_t utxovalue,const CScript scriptPubKey);
-std::string FinalizeCCTx(uint64_t skipmask,struct CCcontract_info *cp,CMutableTransaction &mtx,CPubKey mypk,uint64_t txfee,CScript opret,std::vector<CPubKey> pubkeys=NULL);
+std::string FinalizeCCTx(uint64_t skipmask,struct CCcontract_info *cp,CMutableTransaction &mtx,CPubKey mypk,uint64_t txfee,CScript opret,std::vector<CPubKey> pubkeys = (std::vector<CPubKey>)NULL);
 void SetCCunspents(std::vector<std::pair<CAddressUnspentKey, CAddressUnspentValue> > &unspentOutputs,char *coinaddr);
 void SetCCtxids(std::vector<std::pair<CAddressIndexKey, CAmount> > &addressIndex,char *coinaddr);
 int64_t AddNormalinputs(CMutableTransaction &mtx,CPubKey mypk,int64_t total,int32_t maxinputs);