diff --git a/client-v2/src/main/java/com/clickhouse/client/api/insert/InsertSettings.java b/client-v2/src/main/java/com/clickhouse/client/api/insert/InsertSettings.java
index ba1b036f3..fb375accb 100644
--- a/client-v2/src/main/java/com/clickhouse/client/api/insert/InsertSettings.java
+++ b/client-v2/src/main/java/com/clickhouse/client/api/insert/InsertSettings.java
@@ -70,7 +70,7 @@ public Map<String, Object> getAllSettings() {
      * @return
      */
     public InsertSettings setDeduplicationToken(String token) {
-        rawSettings.put("insert_deduplication_token", token);
+        serverSetting("insert_deduplication_token", token);
         return this;
     }
 
diff --git a/client-v2/src/test/java/com/clickhouse/client/insert/InsertTests.java b/client-v2/src/test/java/com/clickhouse/client/insert/InsertTests.java
index 7bae4a952..4515acb9d 100644
--- a/client-v2/src/test/java/com/clickhouse/client/insert/InsertTests.java
+++ b/client-v2/src/test/java/com/clickhouse/client/insert/InsertTests.java
@@ -317,6 +317,33 @@ public void testLogComment(String logComment) throws Exception {
         Assert.assertEquals(logRecords.get(0).getString("log_comment"), logComment == null ? "" : logComment);
     }
 
+    @Test(groups = { "integration" })
+    public void testInsertSettingsDeduplicationToken() throws Exception {
+        final String tableName = "insert_settings_database_test";
+        final String createTableSQL = "CREATE TABLE " + tableName + " ( A Int64 ) ENGINE = MergeTree ORDER BY A SETTINGS " +
+                "non_replicated_deduplication_window = 100";
+        final String deduplicationToken = RandomStringUtils.randomAlphabetic(36);
+
+        dropTable(tableName);
+        createTable(createTableSQL);
+
+        InsertSettings insertSettings = settings.setInputStreamCopyBufferSize(8198 * 2)
+                .setDeduplicationToken(deduplicationToken);
+
+        for (int i = 0; i < 3; ++i) {
+            ByteArrayOutputStream data = new ByteArrayOutputStream();
+            PrintWriter writer = new PrintWriter(data);
+            writer.printf("%d\n", i);
+            writer.flush();
+            InsertResponse response = client.insert(tableName, new ByteArrayInputStream(data.toByteArray()), ClickHouseFormat.TSV, insertSettings)
+                    .get(30, TimeUnit.SECONDS);
+            response.close();
+        }
+
+        List<GenericRecord> records = client.queryAll("SELECT * FROM " + tableName);
+        assertEquals(records.size(), 1);
+    }
+
     @DataProvider( name = "logCommentDataProvider")
     public static Object[] logCommentDataProvider() {
         return new Object[][] {