diff --git a/app/code/core/Mage/GoogleAnalytics/Helper/Data.php b/app/code/core/Mage/GoogleAnalytics/Helper/Data.php
index f0bcb18f585..d820bee4762 100644
--- a/app/code/core/Mage/GoogleAnalytics/Helper/Data.php
+++ b/app/code/core/Mage/GoogleAnalytics/Helper/Data.php
@@ -146,7 +146,7 @@ public function isUserIdEnabled($store = null)
      * @param Mage_Catalog_Model_Product $product
      * @return string
      */
-    public function getLastCategoryName($product)
+    public function getLastCategoryName($product): string
     {
         $_categoryIds = $product->getCategoryIds();
         if ($_categoryIds) {