diff --git a/Configuration/TCA/tx_tea_domain_model_product_tea.php b/Configuration/TCA/tx_tea_domain_model_product_tea.php
index 28018a768..b1520017e 100644
--- a/Configuration/TCA/tx_tea_domain_model_product_tea.php
+++ b/Configuration/TCA/tx_tea_domain_model_product_tea.php
@@ -39,8 +39,8 @@
                 'eval' => 'trim',
             ],
         ],
-        'internalNotes' => [
-            'label' => 'LLL:EXT:tea/Resources/Private/Language/locallang_db.xlf:tx_tea_domain_model_product_tea.internalNotes',
+        'internal_notes' => [
+            'label' => 'LLL:EXT:tea/Resources/Private/Language/locallang_db.xlf:tx_tea_domain_model_product_tea.internal_notes',
             'config' => [
                 'type' => 'text',
                 'rows' => 8,