diff --git a/src/cc/dice.cpp b/src/cc/dice.cpp
index 644ddadde..3be553873 100644
--- a/src/cc/dice.cpp
+++ b/src/cc/dice.cpp
@@ -591,7 +591,7 @@ bool DiceValidate(struct CCcontract_info *cp,Eval *eval,const CTransaction &tx)
                         return eval->Invalid("entropy tx not fundingPubKey for bet");
                     else if ( ConstrainVout(tx.vout[0],1,cp->unspendableCCaddr,(int32_t)vinTx.vout[tx.vin[0].prevout.n].nValue) == 0 )
                     {
-                        fprintf(stderr,"prevout.%d %.8f\n",(int32_t)tx.vin[0].prevout.n,(double)vinTx.vout[tx.vin[0].prevout.n].nValue/COIN);
+                        fprintf(stderr,"%s prevout.%d %.8f\n",tx.vin[0].prevout.hash.GetHex().c_str(),(int32_t)tx.vin[0].prevout.n,(double)vinTx.vout[tx.vin[0].prevout.n].nValue/COIN);
                         return eval->Invalid("vout[0] != entropy nValue for bet");
                     }
                     else if ( ConstrainVout(tx.vout[1],1,cp->unspendableCCaddr,0) == 0 )