diff --git a/src/model/response/PaymentCompletedResponse.php b/src/model/response/PaymentCompletedResponse.php
index 8a1c375..6c21819 100644
--- a/src/model/response/PaymentCompletedResponse.php
+++ b/src/model/response/PaymentCompletedResponse.php
@@ -52,7 +52,6 @@ public function getStatus()
     public static function createInstance($orderID, $status, $signature, SigningKey $signingKey)
     {
         //Sanitize input
-        $orderID = preg_replace('/[^0-9]/', '', $orderID);
         $status = preg_replace('/[^A-Z_]/', '', $status);
         $signature = preg_replace('/[^0-9a-f]/', '', $signature);
 
@@ -72,4 +71,4 @@ public function getSignatureData()
     {
         return array($this->orderID, $this->status);
     }
-}
\ No newline at end of file
+}
diff --git a/test/model/response/PaymentCompletedResponseTest.php b/test/model/response/PaymentCompletedResponseTest.php
index 103fbca..3c95b82 100644
--- a/test/model/response/PaymentCompletedResponseTest.php
+++ b/test/model/response/PaymentCompletedResponseTest.php
@@ -30,4 +30,13 @@ public function testThatIsValidReturnsTrueForUnderscoreInStatus() {
         $this->assertEquals('1', $paymentCompletedResponse->getOrderID());
         $this->assertEquals('IN_PROGRESS', $paymentCompletedResponse->getStatus());
     }
+
+    public function testIsValidReturnsTrueForNonIntegerIds()
+    {
+        $signingKey = new SigningKey('secret');
+        $paymentCompletedResponse = PaymentCompletedResponse::createInstance('866a13038dd88f851fa3556a3b7d2da515018a95', 'COMPLETED', 'f29bc3142089ba67f3ff62a9b4b94fd2c923f50adbd752430ae480f70727863de750aa05d2dbae1bd0adb0c380135cbac34062b121cb051fbf9193a6a1c016fe', $signingKey);
+        $this->assertNotFalse($paymentCompletedResponse);
+        $this->assertEquals('866a13038dd88f851fa3556a3b7d2da515018a95', $paymentCompletedResponse->getOrderID());
+        $this->assertEquals('COMPLETED', $paymentCompletedResponse->getStatus());
+    }
 }