diff --git a/lib/angel_user_agent.dart b/lib/angel_user_agent.dart
index a2964ba8..8a54dfd6 100644
--- a/lib/angel_user_agent.dart
+++ b/lib/angel_user_agent.dart
@@ -9,7 +9,7 @@ RequestMiddleware parseUserAgent({bool strict: true}) {
   return (RequestContext req, res) async {
     var agentString = req.headers.value('user-agent');
 
-    if (agentString == null) {
+    if (agentString == null && strict) {
       throw new AngelHttpException.badRequest(
           message: 'User-Agent header is required.');
     } else if (agentString != null) {
@@ -17,7 +17,8 @@ RequestMiddleware parseUserAgent({bool strict: true}) {
       req.headers.forEach((k, v) => map[k] = v);
 
       req.inject(UserAgent, new UserAgent(agentString, headers: map));
-    }
+    } else
+      req.inject(UserAgent, null);
 
     return true;
   };
diff --git a/pubspec.yaml b/pubspec.yaml
index b3bd6641..04df76f2 100644
--- a/pubspec.yaml
+++ b/pubspec.yaml
@@ -1,5 +1,5 @@
 name: angel_user_agent
-version: 1.0.0
+version: 1.0.1
 description: Middleware to inject a User Agent object into requests.
 author: Tobe O <thosakwe@gmail.com>
 homepage: https://github.com/angel-dart/user_agent