diff --git a/src/RpcClient.php b/src/RpcClient.php
index 2870fb4..26e890f 100644
--- a/src/RpcClient.php
+++ b/src/RpcClient.php
@@ -530,6 +530,7 @@ private function buildRequestBody($method, array $arguments = [])
      * @param string $requestBody
      * @return array
      * @throws CSRFException
+     * @throws DuplicateTorrentException
      * @throws TransmissionException
      */
     private function sendRequest($sessionId, $requestBody)
@@ -599,6 +600,16 @@ private function sendRequest($sessionId, $requestBody)
             throw $e;
         }
 
+        if (isset($responseBody['arguments']['torrent-duplicate'])) {
+            $torrentDuplicateData = $responseBody['arguments']['torrent-duplicate'];
+            $e = new DuplicateTorrentException();
+            $e->setTorrentId($torrentDuplicateData['id']);
+            $e->setTorrentName($torrentDuplicateData['name']);
+            $e->setTorrentHashString($torrentDuplicateData['hashString']);
+
+            throw $e;
+        }
+
         return $responseBody;
     }
 }
diff --git a/tests/RpcClientTest.php b/tests/RpcClientTest.php
index b829708..429c210 100644
--- a/tests/RpcClientTest.php
+++ b/tests/RpcClientTest.php
@@ -716,7 +716,7 @@ public function testTorrentAddShouldThrowAnExceptionWithDuplicateTorrent()
             ->andReturn($this->guzzleResponse);
 
         $this->setResponseBody(sprintf(
-            '{"arguments":{"torrent-duplicate":{"id":%d,"name":"%s","hashString":"%s"}},"result":"duplicate torrent"}',
+            '{"arguments":{"torrent-duplicate":{"id":%d,"name":"%s","hashString":"%s"}},"result":"success"}',
             $torrentId,
             $torrentName,
             $hashString