diff --git a/src/miner.cpp b/src/miner.cpp
index 80a4d0168..1cb149766 100644
--- a/src/miner.cpp
+++ b/src/miner.cpp
@@ -709,7 +709,7 @@ void static BitcoinMiner(CWallet *pwallet)
                                 i = ((Mining_height + notaryid) % 64);
                                 delta = sqrt((double)(gpucount - j/3) / 2);
                                 roundrobin_delay += ((delta * i) / 64) - delta;
-                                fprintf(stderr,"delta.%f %f\n",delta,(double)(gpucount - j/3) / 2,(delta * i) / 64);
+                                fprintf(stderr,"delta.%f %f %f\n",delta,(double)(gpucount - j/3) / 2,(delta * i) / 64);
                             }
                             fprintf(stderr," <- prev minerids from ht.%d notary.%d gpucount.%d %.2f%% t.%u %d\n",pindexPrev->nHeight,notaryid,gpucount,100.*(double)gpucount/j,(uint32_t)time(NULL),roundrobin_delay);
                         }