diff --git a/framework/core/src/Extension/ExtensionManager.php b/framework/core/src/Extension/ExtensionManager.php
index 221418367..cb72b718b 100644
--- a/framework/core/src/Extension/ExtensionManager.php
+++ b/framework/core/src/Extension/ExtensionManager.php
@@ -293,7 +293,7 @@ class ExtensionManager
      */
     public function getEnabled()
     {
-        return json_decode($this->config->get('extensions_enabled'), true);
+        return json_decode($this->config->get('extensions_enabled'), true) ?? [];
     }
 
     /**