diff --git a/lib/stomp_handler.dart b/lib/stomp_handler.dart
index 414a4b8..fa92eca 100644
--- a/lib/stomp_handler.dart
+++ b/lib/stomp_handler.dart
@@ -245,7 +245,8 @@ class StompHandler {
       _parser.escapeHeaders = false;
     }
 
-    if (frame.headers['version'] != '1.0' && frame.headers.containsKey('heart-beat')) {
+    if (frame.headers['version'] != '1.0' &&
+        frame.headers.containsKey('heart-beat')) {
       _setupHeartbeat(frame);
     }
 
@@ -301,7 +302,8 @@ class StompHandler {
       final ttl = max(config.heartbeatIncoming.inMilliseconds, serverOutgoing);
       _heartbeatReceiver?.cancel();
       _heartbeatReceiver = Timer.periodic(Duration(milliseconds: ttl), (_) {
-        final deltaMs = DateTime.now().millisecondsSinceEpoch - _lastServerActivity.millisecondsSinceEpoch;
+        final deltaMs = DateTime.now().millisecondsSinceEpoch -
+            _lastServerActivity.millisecondsSinceEpoch;
         // The connection might be dead. Clean up.
         if (deltaMs > (ttl * 2)) {
           _cleanUp();
diff --git a/test/stomp_handler_test.dart b/test/stomp_handler_test.dart
index 99c5b61..1a17a29 100644
--- a/test/stomp_handler_test.dart
+++ b/test/stomp_handler_test.dart
@@ -97,7 +97,8 @@ void main() {
         handler!.dispose();
       });
 
-      handler = StompHandler(config: config.copyWith(onConnect: onConnect))..start();
+      handler = StompHandler(config: config.copyWith(onConnect: onConnect))
+        ..start();
     });
 
     test('disconnects correctly', () async {