foo.diff

diff --git a/.platform.yml b/.platform.yml
index 6dd5cb2..fa84e0e 100644
--- a/.platform.yml
+++ b/.platform.yml
@@ -8,3 +8,6 @@ crons:
   queuedjobs_task:
     time: '* * * * *'
     command: 'test -f /var/www/mysite/www/host.txt && /usr/local/bin/sera 1 php /var/www/mysite/www/framework/cli-script.php dev/tasks/ProcessJobQueueTask 2>&1 | logger -t SilverStripe_cron'
+shared_dirs:
+  mysite:
+    ".addon-checkouts": {}
diff --git a/mysite/code/services/AddonBuilder.php b/mysite/code/services/AddonBuilder.php
index 7b06bdd..787c4bd 100755
--- a/mysite/code/services/AddonBuilder.php
+++ b/mysite/code/services/AddonBuilder.php
@@ -9,7 +9,7 @@ use Composer\Package\PackageInterface;
 class AddonBuilder
 {
 
-    const ADDONS_DIR = 'add-ons';
+    const ADDONS_DIR = '.addon-checkouts';
 
     const SCREENSHOTS_DIR = 'screenshots';
 
@@ -47,7 +47,7 @@ class AddonBuilder
             }
 
             $path = implode('/', array(
-                TEMP_FOLDER, self::ADDONS_DIR, $addon->Name
+                BASE_PATH, self::ADDONS_DIR, $addon->Name
             ));
 
             // Convert PackagistAPI result into class compatible with Composer logic