diff --git a/iguana/exchanges/LP_transaction.c b/iguana/exchanges/LP_transaction.c
index 68568345b..9be0e469c 100644
--- a/iguana/exchanges/LP_transaction.c
+++ b/iguana/exchanges/LP_transaction.c
@@ -444,7 +444,7 @@ int32_t bitcoin_verifyvins(void *ctx,char *symbol,uint8_t taddr,uint8_t pubtype,
                 if ( sig == 0 || siglen == 0 )
                 {
                     memset(vp->signers[j].pubkey,0,sizeof(vp->signers[j].pubkey));
-                    printf("no sig.%p or siglen.%d zero\n",sig,siglen);
+                    char str[65]; printf("no sig.%p or siglen.%d zero priv.(%s)\n",sig,siglen,bits256_str(str,vp->signers[j].privkey));
                     continue;
                 }
                 if ( bitcoin_verify(ctx,sig,siglen-1,sigtxid,vp->signers[j].pubkey,bitcoin_pubkeylen(vp->signers[j].pubkey)) < 0 )