diff --git a/src/LINEBot/Event/MessageEvent/LocationMessage.php b/src/LINEBot/Event/MessageEvent/LocationMessage.php
index 760b45f2..0735e933 100644
--- a/src/LINEBot/Event/MessageEvent/LocationMessage.php
+++ b/src/LINEBot/Event/MessageEvent/LocationMessage.php
@@ -40,21 +40,21 @@ public function __construct($event)
     /**
      * Returns title of the location message.
      *
-     * @return string
+     * @return string|null
      */
     public function getTitle()
     {
-        return $this->message['title'];
+        return array_key_exists('title', $this->message) ? $this->message['title'] : null;
     }
 
     /**
      * Returns address of the location message.
      *
-     * @return string
+     * @return string|null
      */
     public function getAddress()
     {
-        return $this->message['address'];
+        return array_key_exists('address', $this->message) ? $this->message['address'] : null;
     }
 
     /**
diff --git a/tests/LINEBot/EventRequestParserTest.php b/tests/LINEBot/EventRequestParserTest.php
index d4d2006f..15800e94 100644
--- a/tests/LINEBot/EventRequestParserTest.php
+++ b/tests/LINEBot/EventRequestParserTest.php
@@ -127,6 +127,38 @@ class EventRequestParserTest extends TestCase
     "longitude":134.23
    }
   },
+  {
+   "type":"message",
+   "timestamp":12345678901234,
+   "source":{
+    "type":"user",
+    "userId":"userid"
+   },
+   "replyToken":"replytoken",
+   "message":{
+    "id":"contentid",
+    "type":"location",
+    "address":"tokyo",
+    "latitude":-34.12,
+    "longitude":134.23
+   }
+  },
+  {
+   "type":"message",
+   "timestamp":12345678901234,
+   "source":{
+    "type":"user",
+    "userId":"userid"
+   },
+   "replyToken":"replytoken",
+   "message":{
+    "id":"contentid",
+    "type":"location",
+    "title":"label",
+    "latitude":-34.12,
+    "longitude":134.23
+   }
+  },
   {
    "type":"message",
    "timestamp":12345678901234,
@@ -298,9 +330,9 @@ public function testParseEventRequest()
     {
         $bot = new LINEBot(new DummyHttpClient($this, function () {
         }), ['channelSecret' => 'testsecret']);
-        $events = $bot->parseEventRequest($this::$json, 'a4mKmptGCa6Kx/5PU6Ug3zC2SyLzzf9whz9/FbaR4HQ=');
+        $events = $bot->parseEventRequest($this::$json, 'GQivZqf1zAwZFxrU7Nxc25D1aE8X0P5QGsA/bOhztdM=');
 
-        $this->assertEquals(count($events), 20);
+        $this->assertEquals(count($events), 22);
 
         {
             // text
@@ -384,8 +416,34 @@ public function testParseEventRequest()
         }
 
         {
-            // sticker
+            // location when not set title attribute
             $event = $events[6];
+            $this->assertInstanceOf('LINE\LINEBot\Event\MessageEvent\LocationMessage', $event);
+            /** @var LocationMessage $event */
+            $this->assertEquals('replytoken', $event->getReplyToken());
+            $this->assertEquals('location', $event->getMessageType());
+            $this->assertNull($event->getTitle());
+            $this->assertEquals('tokyo', $event->getAddress());
+            $this->assertEquals('-34.12', $event->getLatitude());
+            $this->assertEquals('134.23', $event->getLongitude());
+        }
+
+        {
+            // location when not set address attribute
+            $event = $events[7];
+            $this->assertInstanceOf('LINE\LINEBot\Event\MessageEvent\LocationMessage', $event);
+            /** @var LocationMessage $event */
+            $this->assertEquals('replytoken', $event->getReplyToken());
+            $this->assertEquals('location', $event->getMessageType());
+            $this->assertEquals('label', $event->getTitle());
+            $this->assertNull($event->getAddress());
+            $this->assertEquals('-34.12', $event->getLatitude());
+            $this->assertEquals('134.23', $event->getLongitude());
+        }
+
+        {
+            // sticker
+            $event = $events[8];
             $this->assertInstanceOf('LINE\LINEBot\Event\MessageEvent\StickerMessage', $event);
             /** @var StickerMessage $event */
             $this->assertEquals('replytoken', $event->getReplyToken());
@@ -396,7 +454,7 @@ public function testParseEventRequest()
 
         {
             // follow
-            $event = $events[7];
+            $event = $events[9];
             $this->assertInstanceOf('LINE\LINEBot\Event\FollowEvent', $event);
             /** @var FollowEvent $event */
             $this->assertEquals('replytoken', $event->getReplyToken());
@@ -404,7 +462,7 @@ public function testParseEventRequest()
 
         {
             // unfollow
-            $event = $events[8];
+            $event = $events[10];
             $this->assertInstanceOf('LINE\LINEBot\Event\UnfollowEvent', $event);
             /** @var UnfollowEvent $event */
             $this->assertTrue($event->getReplyToken() === null);
@@ -412,7 +470,7 @@ public function testParseEventRequest()
 
         {
             // join
-            $event = $events[9];
+            $event = $events[11];
             $this->assertInstanceOf('LINE\LINEBot\Event\JoinEvent', $event);
             /** @var JoinEvent $event */
             $this->assertEquals('replytoken', $event->getReplyToken());
@@ -420,7 +478,7 @@ public function testParseEventRequest()
 
         {
             // leave
-            $event = $events[10];
+            $event = $events[12];
             $this->assertInstanceOf('LINE\LINEBot\Event\LeaveEvent', $event);
             /** @var LeaveEvent $event */
             $this->assertTrue($event->getReplyToken() === null);
@@ -428,7 +486,7 @@ public function testParseEventRequest()
 
         {
             // postback
-            $event = $events[11];
+            $event = $events[13];
             $this->assertInstanceOf('LINE\LINEBot\Event\PostbackEvent', $event);
             /** @var PostbackEvent $event */
             $this->assertEquals('replytoken', $event->getReplyToken());
@@ -438,7 +496,7 @@ public function testParseEventRequest()
 
         {
             // beacon
-            $event = $events[12];
+            $event = $events[14];
             $this->assertInstanceOf('LINE\LINEBot\Event\BeaconDetectionEvent', $event);
             /** @var BeaconDetectionEvent $event */
             $this->assertEquals('replytoken', $event->getReplyToken());
@@ -449,7 +507,7 @@ public function testParseEventRequest()
 
         {
             // unknown event (event source: user)
-            $event = $events[13];
+            $event = $events[15];
             $this->assertInstanceOf('LINE\LINEBot\Event\UnknownEvent', $event);
             /** @var UnknownEvent $event */
             $this->assertEquals('__unknown__', $event->getType());
@@ -463,7 +521,7 @@ public function testParseEventRequest()
 
         {
             // unknown event (event source: unknown)
-            $event = $events[14];
+            $event = $events[16];
             $this->assertInstanceOf('LINE\LINEBot\Event\UnknownEvent', $event);
             /** @var UnknownEvent $event */
             $this->assertEquals('__unknown__', $event->getType());
@@ -476,7 +534,7 @@ public function testParseEventRequest()
 
         {
             // message event & unknown message event
-            $event = $events[15];
+            $event = $events[17];
             $this->assertInstanceOf('LINE\LINEBot\Event\MessageEvent', $event);
             $this->assertInstanceOf('LINE\LINEBot\Event\MessageEvent\UnknownMessage', $event);
             /** @var UnknownMessage $event */
@@ -485,7 +543,7 @@ public function testParseEventRequest()
 
         {
             // file message
-            $event = $events[16];
+            $event = $events[18];
             $this->assertInstanceOf('LINE\LINEBot\Event\MessageEvent', $event);
             $this->assertInstanceOf('LINE\LINEBot\Event\MessageEvent\FileMessage', $event);
             /** @var FileMessage $event */
@@ -497,7 +555,7 @@ public function testParseEventRequest()
 
         {
             // postback date
-            $event = $events[17];
+            $event = $events[19];
             $this->assertInstanceOf('LINE\LINEBot\Event\PostbackEvent', $event);
             /** @var PostbackEvent $event */
             $this->assertEquals('replytoken', $event->getReplyToken());
@@ -507,7 +565,7 @@ public function testParseEventRequest()
 
         {
             // postback time
-            $event = $events[18];
+            $event = $events[20];
             $this->assertInstanceOf('LINE\LINEBot\Event\PostbackEvent', $event);
             /** @var PostbackEvent $event */
             $this->assertEquals('replytoken', $event->getReplyToken());
@@ -517,7 +575,7 @@ public function testParseEventRequest()
 
         {
             // postback datetime
-            $event = $events[19];
+            $event = $events[21];
             $this->assertInstanceOf('LINE\LINEBot\Event\PostbackEvent', $event);
             /** @var PostbackEvent $event */
             $this->assertEquals('replytoken', $event->getReplyToken());