diff --git a/pom.xml b/pom.xml
index e7b07345..83b51bc4 100644
--- a/pom.xml
+++ b/pom.xml
@@ -6,7 +6,7 @@
     <groupId>com.github.yvasyliev</groupId>
     <artifactId>java-vk-bots-longpoll-api</artifactId>
     <packaging>jar</packaging>
-    <version>4.1.6</version>
+    <version>4.1.7</version>
     <name>Java VK Bots Long Poll API</name>
     <description>A Java library to create VK bots using Bots Long Poll API</description>
     <url>https://github.com/yvasyliev/java-vk-bots-long-poll-api</url>
diff --git a/src/main/java/api/longpoll/bots/LongPollBot.java b/src/main/java/api/longpoll/bots/LongPollBot.java
index b0416cf8..d4ff5f55 100644
--- a/src/main/java/api/longpoll/bots/LongPollBot.java
+++ b/src/main/java/api/longpoll/bots/LongPollBot.java
@@ -32,7 +32,7 @@ public abstract class LongPollBot extends VkBot {
     /**
      * Latest received event.
      */
-    private int ts;
+    private Integer ts;
 
     /**
      * Whether infinite loop should be continued.
@@ -97,7 +97,9 @@ public void initialize() throws VkApiException {
 
         server = longPollServer.get("server").getAsString();
         key = longPollServer.get("key").getAsString();
-        ts = longPollServer.get("ts").getAsInt();
+        if (ts == null) {
+            ts = longPollServer.get("ts").getAsInt();
+        }
     }
 
     /**