diff --git a/src/komodo_interest.h b/src/komodo_interest.h
index 2814ca85b..d3e55b831 100644
--- a/src/komodo_interest.h
+++ b/src/komodo_interest.h
@@ -78,6 +78,8 @@ uint64_t komodo_interest(int32_t txheight,uint64_t nValue,uint32_t nLockTime,uin
             if ( nValue > 25000LL*COIN )
             {
                 exception = 0;
+                if ( nValue == 4000000000000LL )
+                printf(">>>>>>>>>>>> exception.%d txheight.%d %.8f locktime %u vs tiptime %u <<<<<<<<<\n",exception,txheight,(double)nValue/COIN,nLockTime,tiptime);
                 if ( txheight <= 155949 )
                 {
                     if ( (txheight == 116607 && nValue == 2502721100000LL) ||