diff --git a/src/cc/CCdice.h b/src/cc/CCdice.h
index 16b2f6136..5b809ccf2 100644
--- a/src/cc/CCdice.h
+++ b/src/cc/CCdice.h
@@ -23,7 +23,7 @@
 
 bool DiceValidate(struct CCcontract_info *cp,Eval* eval,const CTransaction &tx);
 
-std::string DiceBet(uint64_t txfee,char *planstr,uint256 fundingtxid,int64_t bet,int32_t odds);
+std::string DiceBet(uint64_t txfee,char *planstr,uint256 fundingtxid,int64_t bet,int32_t odds,char *error);
 std::string DiceBetFinish(int32_t *resultp,uint64_t txfee,char *planstr,uint256 fundingtxid,uint256 bettxid,int32_t winlosetimeout);
 double DiceStatus(uint64_t txfee,char *planstr,uint256 fundingtxid,uint256 bettxid);
 std::string DiceCreateFunding(uint64_t txfee,char *planstr,int64_t funds,int64_t minbet,int64_t maxbet,int64_t maxodds,int64_t timeoutblocks);