diff --git a/flutter_app/lib/services/blockbook_service.dart b/flutter_app/lib/services/blockbook_service.dart
index d7edf5c..f0d7dea 100644
--- a/flutter_app/lib/services/blockbook_service.dart
+++ b/flutter_app/lib/services/blockbook_service.dart
@@ -193,7 +193,7 @@ class BlockbookService {
         return rawFee.toInt();
       }
 
-      return (rawFee * _satsPerCoin).ceil();
+      return (rawFee * _satsPerCoin).round();
     }
 
     if (rawFee is! String || rawFee.trim().isEmpty) return null;
@@ -206,7 +206,7 @@ class BlockbookService {
 
     final asDouble = double.tryParse(trimmed);
     if (asDouble != null && asDouble > 0) {
-      return asDouble >= 1 ? asDouble.toInt() : (asDouble * _satsPerCoin).ceil();
+      return asDouble >= 1 ? asDouble.toInt() : (asDouble * _satsPerCoin).round();
     }
 
     return null;
diff --git a/flutter_app/test/blockbook_service_test.dart b/flutter_app/test/blockbook_service_test.dart
index ac9f852..e5fc12c 100644
--- a/flutter_app/test/blockbook_service_test.dart
+++ b/flutter_app/test/blockbook_service_test.dart
@@ -82,6 +82,7 @@ void main() {
   test('parses decimal fee response to satoshis per kb', () async {
     final service = BlockbookService(
       httpClient: MockClient((request) async {
+        expect(request.url.host, 'blockbook.reddcoin.com');
         if (request.url.path.contains('/estimatefee/1')) {
           return http.Response(json.encode({'result': '0.00012000'}), 200);
         }
@@ -92,7 +93,7 @@ void main() {
 
     final fee = await service.estimateFee(inputs: 1, outputs: 2);
 
-    expect(fee, 28);
+    expect(fee, 2712);
   });
 
   test('throws detailed error when node rejects broadcast', () async {