diff --git a/app/code/core/Mage/Adminhtml/Block/Customer/Edit/Tabs.php b/app/code/core/Mage/Adminhtml/Block/Customer/Edit/Tabs.php
index 04c263e818c..049d64e985f 100644
--- a/app/code/core/Mage/Adminhtml/Block/Customer/Edit/Tabs.php
+++ b/app/code/core/Mage/Adminhtml/Block/Customer/Edit/Tabs.php
@@ -82,7 +82,7 @@ protected function _beforeToHtml()
                 ]);
             }
 
-            if (Mage::getSingleton('admin/session')->isAllowed('catalog/reviews_ratings')) {
+            if (Mage::helper('core')->isModuleOutputEnabled('Mage_Review') && Mage::getSingleton('admin/session')->isAllowed('catalog/reviews_ratings')) {
                 $this->addTab('reviews', [
                     'label'     => Mage::helper('customer')->__('Product Reviews'),
                     'class'     => 'ajax',