diff --git a/CHANGELOG.md b/CHANGELOG.md
index e3cadc6..f35c1e5 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,8 @@
+## 3.0.0-beta.2
+
+**Bug fix:**
+* [#373](https://github.com/rikulo/socket.io-client-dart/issues/373) hot restart error - Unhandled Exception: type 'Null' is not a subtype of type 'bool'
+* 
 ## 3.0.0-beta.1
 
 **Bug fix:**
diff --git a/lib/src/engine/socket.dart b/lib/src/engine/socket.dart
index 1f03c3c..2e2a418 100644
--- a/lib/src/engine/socket.dart
+++ b/lib/src/engine/socket.dart
@@ -62,7 +62,7 @@ class Socket extends EventEmitter {
       opts['hostname'] = Uri.parse(opts['host']).host;
     }
 
-    secure = opts['secure'] /*?? (window.location.protocol == 'https:')*/;
+    secure = opts['secure'] ?? false /*?? (window.location.protocol == 'https:')*/;
 
     if (opts['hostname'] != null && !opts.containsKey('port')) {
       // if no port is specified manually, use the protocol default
diff --git a/pubspec.yaml b/pubspec.yaml
index 0b7f548..ed38b85 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,6 +1,6 @@
 name: socket_io_client
 description: Dartlang port of socket.io-client for web, flutter, dartvm to use
-version: 3.0.0-beta.1
+version: 3.0.0-beta.2
 homepage: https://www.zkoss.org
 repository: https://github.com/rikulo/socket.io-client-dart
 issue_tracker: https://github.com/rikulo/socket.io-client-dart/issues