diff --git a/library/Class/WebService/SIGB/AbstractRESTService.php b/library/Class/WebService/SIGB/AbstractRESTService.php
index 20b8edf2eb0909b560079b5dc2e9cfc64de69612..e4d062ab02309a92caa24fbd8324a66cc7d3de88 100644
--- a/library/Class/WebService/SIGB/AbstractRESTService.php
+++ b/library/Class/WebService/SIGB/AbstractRESTService.php
@@ -188,6 +188,26 @@ abstract class Class_WebService_SIGB_AbstractRESTService extends Class_WebServic
 	}
 
 
+	/**
+	 * @param array $params
+	 */
+	public function ilsdiRenewLoan($params) {
+		$params = array_merge(array('service' => 'RenewLoan'), $params);
+
+		try {
+			$xml = $this->httpGet($params);
+		} catch (Exception $e) {
+			return $this->_getNetworkError();
+		}
+
+		if (0 === strpos($xml, '<html>'))
+			return $this->_getNetworkError();
+
+		if ('' != $this->_getTagData($xml, 'error'))
+			return $this->_error('Prolongation impossible');
+
+		return $this->_success();
+	}
 	
 
 	/**
diff --git a/library/Class/WebService/SIGB/BiblixNet/Service.php b/library/Class/WebService/SIGB/BiblixNet/Service.php
index beed5dc18b2e4dd312e7d3f030c951f9384ab303..3adc80a3fcdcb008dae8581b36feb0421b4a4ca1 100644
--- a/library/Class/WebService/SIGB/BiblixNet/Service.php
+++ b/library/Class/WebService/SIGB/BiblixNet/Service.php
@@ -80,7 +80,11 @@ class Class_Webservice_SIGB_BiblixNet_Service extends Class_WebService_SIGB_Abst
 	 * @param int $pret_id
 	 * @return array
 	 */
-	public function prolongerPret($user, $pret_id) {}
+	public function prolongerPret($user, $pret_id) {
+		return $this->ilsdiRenewLoan(array(
+																			 'patronId'	=> $user->getIdSigb(),
+																			 'itemId'		=> $pret_id));
+	}
 
 	
 	/**
diff --git a/library/Class/WebService/SIGB/Nanook/Service.php b/library/Class/WebService/SIGB/Nanook/Service.php
index b967872e9a4fb1d508f2beaeaee5956a623f7d43..0f2edd6a9c389cc4b5e9da758081863d10cebf6c 100644
--- a/library/Class/WebService/SIGB/Nanook/Service.php
+++ b/library/Class/WebService/SIGB/Nanook/Service.php
@@ -93,21 +93,9 @@ class Class_Webservice_SIGB_Nanook_Service extends Class_WebService_SIGB_Abstrac
 	 * @return array
 	 */
 	public function prolongerPret($user, $pret_id) {
-		try {
-			$xml = $this->httpGet(array('service'		=> 'RenewLoan',
-																	'patronId'	=> $user->getIdSigb(),
-																	'itemId'		=> $pret_id));
-		} catch (Exception $e) {
-			return $this->_getNetworkError();
-		}
-
-		if (0 === strpos($xml, '<html>'))
-			return $this->_getNetworkError();
-
-		if ('' != $this->_getTagData($xml, 'error'))
-			return $this->_error('Prolongation impossible');
-
-		return $this->_success();
+		return $this->ilsdiRenewLoan(array(
+																			 'patronId'	=> $user->getIdSigb(),
+																			 'itemId'		=> $pret_id));
 	}
 
 
diff --git a/tests/library/Class/WebService/SIGB/BiblixNetFixtures.php b/tests/library/Class/WebService/SIGB/BiblixNetFixtures.php
index 365725c6d9e890b828ffcfd9f6bfcd4a79355d19..0c2eb07edae766a91e10ac6bad9f188d9eede799 100644
--- a/tests/library/Class/WebService/SIGB/BiblixNetFixtures.php
+++ b/tests/library/Class/WebService/SIGB/BiblixNetFixtures.php
@@ -139,4 +139,11 @@ class BiblixNetFixtures {
 		return '<?xml version="1.0" encoding="UTF-8"?>
 						<CancelHold></CancelHold>';
 	}
+
+
+	/** @return string */
+	public static function xmlRenewLoanSuccess() {
+		return '<?xml version="1.0" encoding="UTF-8"?>
+						<RenewLoan></RenewLoan>';
+	}
 }
diff --git a/tests/library/Class/WebService/SIGB/BiblixNetTest.php b/tests/library/Class/WebService/SIGB/BiblixNetTest.php
index 0007b2ac1255fa4085936156f2ec3de59624387c..df4905470cb6d8b97c09476949388ee6f7e53f9a 100644
--- a/tests/library/Class/WebService/SIGB/BiblixNetTest.php
+++ b/tests/library/Class/WebService/SIGB/BiblixNetTest.php
@@ -267,6 +267,22 @@ class BiblixNetOperationsTest extends BiblixNetTestCase {
 													'987'
 												));
 	}
+
+
+	/** @test */
+	public function prolongerPretWithoutErrorShouldReturnSuccess() {
+		$this->_mock_web_client
+			->whenCalled('open_url')
+			->with('http://mediathequewormhout.biblixnet.com/exporte_afi/?service=RenewLoan&patronId=4&itemId=987')
+			->answers(BiblixNetFixtures::xmlRenewLoanSuccess())
+			->beStrict();
+
+		$this->assertEquals(array('statut' => true, 'erreur' => ''),
+												$this->_service->prolongerPret(
+													Class_Users::getLoader()->newInstance()->setIdSigb('4'),
+													'987'
+												));		
+	}
 	
 }