diff --git a/iguana/kmd_lookup.h b/iguana/kmd_lookup.h
index e0d72caac..9e1cff0d0 100755
--- a/iguana/kmd_lookup.h
+++ b/iguana/kmd_lookup.h
@@ -115,6 +115,7 @@ int32_t kmd_transactionvin(struct iguana_info *coin,bits256 spendtxid,int32_t vi
                 fseek(coin->kmd_txidfp,ptr->fpos + sizeof(*ptr->tx) + sizeof(*ptr->tx->vouts)*vout,SEEK_SET);
                 fwrite(&ptr->tx->vouts[vout],1,sizeof(ptr->tx->vouts[vout]),coin->kmd_txidfp);
                 fseek(coin->kmd_txidfp,savepos,SEEK_SET);
+                fflush(coin->kmd_txidfp);
             }
         }
         return(0);