diff --git a/src/blockchain/orderlib.js b/src/blockchain/orderlib.js
index 9a1c6cc..3feb0cb 100644
--- a/src/blockchain/orderlib.js
+++ b/src/blockchain/orderlib.js
@@ -31,7 +31,7 @@ export function newOrder(tokenIn, tokenOut, exchange, fee, amount, amountIsInput
     if (!tranches)
         tranches = [newTranche({marketOrder: true})] // todo this is just a swap: issue warning?
     if( minFillAmount === null )
-        minFillAmount = amount / 100n  // default to min trade size of 1%
+        minFillAmount = amount / 1000n  // default to min trade size of 0.1%
     return {
         tokenIn, tokenOut, route:{exchange, fee},
         amount, minFillAmount, amountIsInput,