diff --git a/src/cc/rewards.cpp b/src/cc/rewards.cpp
index eb9c00bf3..edef99650 100644
--- a/src/cc/rewards.cpp
+++ b/src/cc/rewards.cpp
@@ -47,8 +47,8 @@ uint64_t RewardsCalc(uint64_t amount,uint256 txid,uint64_t APR,uint64_t minsecon
     }
     else if ( duration > maxseconds )
         maxseconds = duration;
-    reward = ((amount * APR) / 365*24*3600) * duration;
-    fprintf(stderr,"amount %.8f -> duration.%llu reward %.8f\n",(double)amount/COIN,(long long)duration,(double)reward/COIN);
+    reward = (((amount * APR) / COIN) * duration) / 365*24*3600;
+    fprintf(stderr,"amount %.8f %.8f %.8f -> duration.%llu reward %.8f\n",(double)amount/COIN,((double)amount * APR)/COIN,(long long)(((amount * APR) / COIN) * duration) / 365*24*3600,(long long)duration,(double)reward/COIN);
     return(reward);
 }