diff --git a/src/komodo_interest.h b/src/komodo_interest.h
index 9ec58bde0..44ea535a3 100644
--- a/src/komodo_interest.h
+++ b/src/komodo_interest.h
@@ -128,7 +128,7 @@ uint64_t komodo_interest(int32_t txheight,uint64_t nValue,uint32_t nLockTime,uin
                     interest = (numerator / denominator) / COIN;
                 else interest = ((numerator * minutes) / ((uint64_t)365 * 24 * 60)) / COIN;
             }
-            fprintf(stderr,"komodo_interest.%d %lld %.8f nLockTime.%u tiptime.%u minutes.%d interest %lld %.8f (%llu / %llu)\n",txheight,(long long)nValue,(double)nValue/COIN,nLockTime,tiptime,minutes,(long long)interest,(double)interest/COIN,(long long)numerator,(long long)denominator,(long long)(numerator * minutes));
+            fprintf(stderr,"komodo_interest.%d %lld %.8f nLockTime.%u tiptime.%u minutes.%d interest %lld %.8f (%llu / %llu) prod.%llu\n",txheight,(long long)nValue,(double)nValue/COIN,nLockTime,tiptime,minutes,(long long)interest,(double)interest/COIN,(long long)numerator,(long long)denominator,(long long)(numerator * minutes));
         }
     }
     return(interest);