diff --git a/application/src/test/java/org/thingsboard/server/transport/coap/CoapTestClient.java b/application/src/test/java/org/thingsboard/server/transport/coap/CoapTestClient.java
index a6a3732ba2..dc2a3f4c83 100644
--- a/application/src/test/java/org/thingsboard/server/transport/coap/CoapTestClient.java
+++ b/application/src/test/java/org/thingsboard/server/transport/coap/CoapTestClient.java
@@ -57,7 +57,7 @@ public class CoapTestClient {
     public void disconnect() {
         if (client != null) {
             client.shutdown();
-        };
+        }
     }
 
     public CoapResponse postMethod(String requestBody) throws ConnectorException, IOException {