diff --git a/src/Install/Installation.php b/src/Install/Installation.php
index 0ee3e5248..243614da0 100644
--- a/src/Install/Installation.php
+++ b/src/Install/Installation.php
@@ -22,6 +22,7 @@ class Installation
     private $debug = false;
     private $baseUrl;
     private $customSettings = [];
+    private $enabledExtensions = null;
 
     /** @var DatabaseConfig */
     private $dbConfig;
@@ -78,6 +79,13 @@ class Installation
         return $this;
     }
 
+    public function extensions($enabledExtensions)
+    {
+        $this->enabledExtensions = $enabledExtensions;
+
+        return $this;
+    }
+
     public function adminUser(AdminUser $admin)
     {
         $this->adminUser = $admin;
@@ -152,7 +160,7 @@ class Installation
         });
 
         $pipeline->pipe(function () {
-            return new Steps\EnableBundledExtensions($this->db, $this->paths->vendor, $this->getAssetPath());
+            return new Steps\EnableBundledExtensions($this->db, $this->paths->vendor, $this->getAssetPath(), $this->enabledExtensions);
         });
 
         return $pipeline;
diff --git a/src/Install/Steps/EnableBundledExtensions.php b/src/Install/Steps/EnableBundledExtensions.php
index 63a12a688..496a44fe8 100644
--- a/src/Install/Steps/EnableBundledExtensions.php
+++ b/src/Install/Steps/EnableBundledExtensions.php
@@ -22,6 +22,23 @@ use League\Flysystem\Filesystem;
 
 class EnableBundledExtensions implements Step
 {
+    const EXTENSION_WHITELIST = [
+        'flarum-approval',
+        'flarum-bbcode',
+        'flarum-emoji',
+        'flarum-lang-english',
+        'flarum-flags',
+        'flarum-likes',
+        'flarum-lock',
+        'flarum-markdown',
+        'flarum-mentions',
+        'flarum-statistics',
+        'flarum-sticky',
+        'flarum-subscriptions',
+        'flarum-suspend',
+        'flarum-tags',
+    ];
+
     /**
      * @var ConnectionInterface
      */
@@ -37,11 +54,17 @@ class EnableBundledExtensions implements Step
      */
     private $assetPath;
 
-    public function __construct(ConnectionInterface $database, $vendorPath, $assetPath)
+    /**
+     * @var string[]|null
+     */
+    private $enabledExtensions;
+
+    public function __construct(ConnectionInterface $database, $vendorPath, $assetPath, $enabledExtensions = null)
     {
         $this->database = $database;
         $this->vendorPath = $vendorPath;
         $this->assetPath = $assetPath;
+        $this->enabledExtensions = $enabledExtensions ?? self::EXTENSION_WHITELIST;
     }
 
     public function getMessage()
@@ -66,23 +89,6 @@ class EnableBundledExtensions implements Step
         );
     }
 
-    const EXTENSION_WHITELIST = [
-        'flarum-approval',
-        'flarum-bbcode',
-        'flarum-emoji',
-        'flarum-lang-english',
-        'flarum-flags',
-        'flarum-likes',
-        'flarum-lock',
-        'flarum-markdown',
-        'flarum-mentions',
-        'flarum-statistics',
-        'flarum-sticky',
-        'flarum-subscriptions',
-        'flarum-suspend',
-        'flarum-tags',
-    ];
-
     /**
      * @return \Illuminate\Support\Collection
      */
@@ -109,7 +115,7 @@ class EnableBundledExtensions implements Step
 
                 return $extension;
             })->filter(function (Extension $extension) {
-                return in_array($extension->getId(), self::EXTENSION_WHITELIST);
+                return in_array($extension->getId(), $this->enabledExtensions);
             })->sortBy(function (Extension $extension) {
                 return $extension->getTitle();
             })->mapWithKeys(function (Extension $extension) {