diff --git a/src/miner.cpp b/src/miner.cpp
index c7a0a37e6..1e25956ee 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -710,7 +710,10 @@ void static BitcoinMiner(CWallet *pwallet)
                     if ( UintToArith256(pblock->GetHash()) > hashTarget )
                     {
                         //if ( 0 && ASSETCHAINS_SYMBOL[0] != 0 )
-                            fprintf(stderr,"missed target %s \n",UintToArith256(pblock->GetHash()).GetHex());
+                        int32_t z; uint256 tmp = pblock->GetHash();
+                        for (z=0; z<32; z++)
+                            fprintf(stderr,"%02x",((uint8_t *)&tmp)[z]);
+                            fprintf(stderr," missed target\n");
                         return false;
                     }
                     if ( ASSETCHAINS_SYMBOL[0] == 0 && Mining_start != 0 && time(NULL) < Mining_start+ROUNDROBIN_DELAY )