diff --git a/src/Serializer/EnvelopItems/EventItem.php b/src/Serializer/EnvelopItems/EventItem.php
index bdf5cbb40..f4fb825e7 100644
--- a/src/Serializer/EnvelopItems/EventItem.php
+++ b/src/Serializer/EnvelopItems/EventItem.php
@@ -41,6 +41,10 @@ public static function toEnvelopeItem(Event $event): string
             $payload['level'] = (string) $event->getLevel();
         }
 
+        if ($event->getLogger() !== null) {
+            $payload['logger'] = $event->getLogger();
+        }
+
         if ($event->getTransaction() !== null) {
             $payload['transaction'] = $event->getTransaction();
         }
diff --git a/tests/Serializer/PayloadSerializerTest.php b/tests/Serializer/PayloadSerializerTest.php
index f212776b6..a3e8e5c08 100644
--- a/tests/Serializer/PayloadSerializerTest.php
+++ b/tests/Serializer/PayloadSerializerTest.php
@@ -72,6 +72,7 @@ public static function serializeAsEnvelopeDataProvider(): iterable
 
         $event = Event::createEvent(new EventId('fc9442f5aef34234bb22b9a615e30ccd'));
         $event->setLevel(Severity::error());
+        $event->setLogger('app.php');
         $event->setTransaction('/users/<username>/');
         $event->setServerName('foo.example.com');
         $event->setRelease('721e41770371db95eee98ca2707686226b993eda');
@@ -168,7 +169,7 @@ public static function serializeAsEnvelopeDataProvider(): iterable
             <<<TEXT
 {"event_id":"fc9442f5aef34234bb22b9a615e30ccd","sent_at":"2020-08-18T22:47:15Z","dsn":"http:\/\/public@example.com\/sentry\/1","sdk":{"name":"sentry.php","version":"$sdkVersion"}}
 {"type":"event","content_type":"application\/json"}
-{"timestamp":1597790835,"platform":"php","sdk":{"name":"sentry.php","version":"$sdkVersion"},"start_timestamp":1597790835,"level":"error","transaction":"\/users\/<username>\/","server_name":"foo.example.com","release":"721e41770371db95eee98ca2707686226b993eda","environment":"production","fingerprint":["myrpc","POST","\/foo.bar"],"modules":{"my.module.name":"1.0"},"extra":{"my_key":1,"some_other_value":"foo bar"},"tags":{"ios_version":"4.0","context":"production"},"user":{"id":"unique_id","username":"my_user","email":"foo@example.com","ip_address":"127.0.0.1","segment":"my_segment"},"contexts":{"os":{"name":"Linux","version":"4.19.104-microsoft-standard","build":"#1 SMP Wed Feb 19 06:37:35 UTC 2020","kernel_version":"Linux 7944782cd697 4.19.104-microsoft-standard #1 SMP Wed Feb 19 06:37:35 UTC 2020 x86_64"},"runtime":{"name":"php","version":"7.4.3"},"electron":{"type":"runtime","name":"Electron","version":"4.0"}},"breadcrumbs":{"values":[{"type":"user","category":"log","level":"info","timestamp":1597790835},{"type":"navigation","category":"log","level":"info","timestamp":1597790835,"data":{"from":"\/login","to":"\/dashboard"}}]},"request":{"method":"POST","url":"http:\/\/absolute.uri\/foo","query_string":"query=foobar&page=2","data":{"foo":"bar"},"cookies":{"PHPSESSID":"298zf09hf012fh2"},"headers":{"content-type":"text\/html"},"env":{"REMOTE_ADDR":"127.0.0.1"}},"exception":{"values":[{"type":"Exception","value":"chained exception","stacktrace":{"frames":[{"filename":"file\/name.py","lineno":3,"in_app":true},{"filename":"file\/name.py","lineno":3,"in_app":false,"abs_path":"absolute\/file\/name.py","function":"myfunction","raw_function":"raw_function_name","pre_context":["def foo():","  my_var = 'foo'"],"context_line":"  raise ValueError()","post_context":["","def main():"],"vars":{"my_var":"value"}}]},"mechanism":{"type":"generic","handled":true,"data":{"code":123}}},{"type":"Exception","value":"initial exception"}]}}
+{"timestamp":1597790835,"platform":"php","sdk":{"name":"sentry.php","version":"$sdkVersion"},"start_timestamp":1597790835,"level":"error","logger":"app.php","transaction":"\/users\/<username>\/","server_name":"foo.example.com","release":"721e41770371db95eee98ca2707686226b993eda","environment":"production","fingerprint":["myrpc","POST","\/foo.bar"],"modules":{"my.module.name":"1.0"},"extra":{"my_key":1,"some_other_value":"foo bar"},"tags":{"ios_version":"4.0","context":"production"},"user":{"id":"unique_id","username":"my_user","email":"foo@example.com","ip_address":"127.0.0.1","segment":"my_segment"},"contexts":{"os":{"name":"Linux","version":"4.19.104-microsoft-standard","build":"#1 SMP Wed Feb 19 06:37:35 UTC 2020","kernel_version":"Linux 7944782cd697 4.19.104-microsoft-standard #1 SMP Wed Feb 19 06:37:35 UTC 2020 x86_64"},"runtime":{"name":"php","version":"7.4.3"},"electron":{"type":"runtime","name":"Electron","version":"4.0"}},"breadcrumbs":{"values":[{"type":"user","category":"log","level":"info","timestamp":1597790835},{"type":"navigation","category":"log","level":"info","timestamp":1597790835,"data":{"from":"\/login","to":"\/dashboard"}}]},"request":{"method":"POST","url":"http:\/\/absolute.uri\/foo","query_string":"query=foobar&page=2","data":{"foo":"bar"},"cookies":{"PHPSESSID":"298zf09hf012fh2"},"headers":{"content-type":"text\/html"},"env":{"REMOTE_ADDR":"127.0.0.1"}},"exception":{"values":[{"type":"Exception","value":"chained exception","stacktrace":{"frames":[{"filename":"file\/name.py","lineno":3,"in_app":true},{"filename":"file\/name.py","lineno":3,"in_app":false,"abs_path":"absolute\/file\/name.py","function":"myfunction","raw_function":"raw_function_name","pre_context":["def foo():","  my_var = 'foo'"],"context_line":"  raise ValueError()","post_context":["","def main():"],"vars":{"my_var":"value"}}]},"mechanism":{"type":"generic","handled":true,"data":{"code":123}}},{"type":"Exception","value":"initial exception"}]}}
 TEXT
         ];