diff --git a/iguana/iguana_msg.c b/iguana/iguana_msg.c
index 01b260cb8..bffba8883 100755
--- a/iguana/iguana_msg.c
+++ b/iguana/iguana_msg.c
@@ -555,7 +555,9 @@ int32_t iguana_rwvin(int32_t rwflag,struct iguana_info *coin,struct OS_memspace
     if ( rwflag == 0 )
     {
         msg->scriptlen = tmp;
-        msg->vinscript = iguana_memalloc(mem,msg->scriptlen,1);
+        if ( msg->scriptlen < IGUANA_MAXSCRIPTSIZE )
+            msg->vinscript = iguana_memalloc(mem,msg->scriptlen,1);
+        else return(0);
     }
     len += iguana_rwmem(rwflag,&serialized[len],msg->scriptlen,msg->vinscript);
     len += iguana_rwnum(rwflag,&serialized[len],sizeof(msg->sequence),&msg->sequence);
@@ -575,7 +577,7 @@ int32_t iguana_rwvout(int32_t rwflag,struct OS_memspace *mem,uint8_t *serialized
     len += iguana_rwnum(rwflag,&serialized[len],sizeof(msg->value),&msg->value);
     len += iguana_rwvarint32(rwflag,&serialized[len],&msg->pk_scriptlen);
     if ( msg->pk_scriptlen > IGUANA_MAXSCRIPTSIZE )
-        return(-1);
+        return(0);
     if ( rwflag == 0 )
         msg->pk_script = iguana_memalloc(mem,msg->pk_scriptlen,1);
     len += iguana_rwmem(rwflag,&serialized[len],msg->pk_scriptlen,msg->pk_script);
@@ -660,9 +662,9 @@ int32_t iguana_rwtx(struct supernet_info *myinfo,uint8_t zcash,int32_t rwflag,st
         msg->vouts = iguana_memalloc(mem,msg->tx_out * sizeof(*msg->vouts),1);
     for (i=0; i<msg->tx_out; i++)
     {
-        if ( (n= iguana_rwvout(rwflag,mem,&serialized[len],&msg->vouts[i])) >= 0 )
+        if ( (n= iguana_rwvout(rwflag,mem,&serialized[len],&msg->vouts[i])) > 0 )
             len += n;
-        if ( n < 0 || len > maxsize )
+        if ( n <= 0 || len > maxsize )
         {
             printf("invalid tx_out.%d len.%d vs maxsize.%d\n",msg->tx_out,len,maxsize);
             return(-1);
diff --git a/iguana/iguana_tx.c b/iguana/iguana_tx.c
index c0de5e366..d71912f68 100755
--- a/iguana/iguana_tx.c
+++ b/iguana/iguana_tx.c
@@ -101,7 +101,7 @@ int32_t iguana_voutscript(struct iguana_info *coin,struct iguana_bundle *bp,uint
     {
         iguana_voutsfname(coin,bp->ramchain.from_ro,fname,u->fileid);
         if ( (scriptlen= iguana_scriptdata(coin,scriptspace,coin->voutptrs[u->fileid],fname,u->scriptpos,u->scriptlen)) != u->scriptlen )
-            printf("%d bytes from fileid.%d[%d] %s for type.%d\n",u->scriptlen,u->fileid,u->scriptpos,fname,u->type);
+            printf("scriptlen.%d != %d bytes from fileid.%d[%d] %s for type.%d\n",scriptlen,u->scriptlen,u->fileid,u->scriptpos,fname,u->type);
     }
     else
     {