diff --git a/lib/Github/Api/Apps.php b/lib/Github/Api/Apps.php
index 9e9a4b6a741..62df3a3cf82 100644
--- a/lib/Github/Api/Apps.php
+++ b/lib/Github/Api/Apps.php
@@ -82,7 +82,7 @@ public function getInstallationForOrganization($org)
     {
         $this->configurePreviewHeader();
 
-        return $this->get('/org/'.rawurldecode($org).'/installation');
+        return $this->get('/orgs/'.rawurldecode($org).'/installation');
     }
 
     /**
diff --git a/test/Github/Tests/Api/AppTest.php b/test/Github/Tests/Api/AppTest.php
index 28fa447b9a2..b813a11dd1f 100644
--- a/test/Github/Tests/Api/AppTest.php
+++ b/test/Github/Tests/Api/AppTest.php
@@ -66,7 +66,7 @@ public function shouldGetInstallationForOrganization()
         $api = $this->getApiMock();
         $api->expects($this->once())
             ->method('get')
-            ->with('/org/1234/installation')
+            ->with('/orgs/1234/installation')
             ->willReturn($result);
 
         $this->assertEquals($result, $api->getInstallationForOrganization('1234'));