diff --git a/src/komodo_utils.h b/src/komodo_utils.h
index 9be15277d..e669e1368 100644
--- a/src/komodo_utils.h
+++ b/src/komodo_utils.h
@@ -1634,6 +1634,8 @@ void komodo_args(char *argv0)
         MAX_MONEY += (MAX_MONEY * ASSETCHAINS_COMMISSION) / SATOSHIDEN;
         if ( ASSETCHAINS_CC >= KOMODO_FIRSTFUNGIBLEID && MAX_MONEY < 1000000LL*SATOSHIDEN )
             MAX_MONEY = 1000000LL*SATOSHIDEN;
+        if ( MAX_MONEY < 0 || MAX_MONEY > 1000000000LL*SATOSHIDEN )
+            MAX_MONEY = 1000000000LL*SATOSHIDEN;
         fprintf(stderr,"MAX_MONEY %llu %.8f\n",(long long)MAX_MONEY,(double)MAX_MONEY/SATOSHIDEN);
         //printf("baseid.%d MAX_MONEY.%s %.8f\n",baseid,ASSETCHAINS_SYMBOL,(double)MAX_MONEY/SATOSHIDEN);
         ASSETCHAINS_P2PPORT = komodo_port(ASSETCHAINS_SYMBOL,ASSETCHAINS_SUPPLY,&ASSETCHAINS_MAGIC,extraptr,extralen);