diff --git a/packages/instant/src/redux/async_data.ts b/packages/instant/src/redux/async_data.ts
index c67b222d1a..932eb93e92 100644
--- a/packages/instant/src/redux/async_data.ts
+++ b/packages/instant/src/redux/async_data.ts
@@ -97,6 +97,7 @@ export const asyncData = {
         if (
             !_.isUndefined(selectedAssetUnitAmount) &&
             !_.isUndefined(selectedAsset) &&
+            selectedAssetUnitAmount.greaterThan(BIG_NUMBER_ZERO) &&
             buyOrderState.processState === OrderProcessState.None &&
             selectedAsset.metaData.assetProxyId === AssetProxyId.ERC20
         ) {