diff --git a/src/komodo_bitcoind.h b/src/komodo_bitcoind.h
index c053285a7..f10c34b3f 100644
--- a/src/komodo_bitcoind.h
+++ b/src/komodo_bitcoind.h
@@ -1194,7 +1194,7 @@ uint32_t komodo_stake(int32_t validateflag,arith_uint256 bnTarget,int32_t nHeigh
         diff = (iter + blocktime - txtime - minage);
         if ( diff > 3600*24*30 )
         {
-            printf("diff.%d (iter.%d blocktime.%u txtime.%u minage.%d)\n",diff,iter,blocktime,txtime,minage);
+            printf("diff.%d (iter.%d blocktime.%u txtime.%u minage.%d)\n",diff,iter,blocktime,txtime,(int32_t)minage);
             diff = 3600*24*30;
         }
         else if ( diff < 0 )