diff --git a/Helper/Data.php b/Helper/Data.php
index 1070578..a01b387 100644
--- a/Helper/Data.php
+++ b/Helper/Data.php
@@ -160,7 +160,7 @@ public function getConfigDisplayValue($path, $contextScope, $contextScopeId) {
                     ];
                 }
                 if (isset($option['value'])) {
-                    $optionsByValue[$option['value']] = $option;
+                    @$optionsByValue[$option['value']] = $option;
                 }
             }