diff --git a/src/Service/NavisionDataImportService.php b/src/Service/NavisionDataImportService.php
index 8020c95..be0e093 100644
--- a/src/Service/NavisionDataImportService.php
+++ b/src/Service/NavisionDataImportService.php
@@ -42,7 +42,7 @@ class NavisionDataImportService
             }
         }
 
-        $data = $this->readExcelFile($this->kernel->getProjectDir()."/import/Kreditoren11 Stammdaten.xlsx");
+        $data = $this->readExcelFile($this->kernel->getProjectDir()."/import/Stammdaten-Kreditoren-2024-12-16.xlsx");
         $i = 0;
         $customer = null;
         foreach ($data as $row) {
@@ -90,7 +90,7 @@ class NavisionDataImportService
             }
         }
 
-        $data = $this->readExcelFile($this->kernel->getProjectDir()."/import/Debitoren11 Stammdaten.xlsx");
+        $data = $this->readExcelFile($this->kernel->getProjectDir()."/import/Stammdaten-Debitoren-2024-12-16.xlsx");
         $i = 0;
         $supplier = null;
         foreach ($data as $row) {
@@ -139,7 +139,7 @@ class NavisionDataImportService
             }
         }
 
-        $data = $this->readExcelFile($this->kernel->getProjectDir()."/import/Artikel11 Stammdaten.xlsx");
+        $data = $this->readExcelFile($this->kernel->getProjectDir()."/import/Stammdaten-Artikel-2024-12-16.xlsx");
         $i = 0;
         $product = null;
         foreach ($data as $row) {
@@ -155,7 +155,7 @@ class NavisionDataImportService
                     }
                     $product->setName($row[2]);
                     $product->setDescription($row[3]);
-                    $product->setBlocked($row[4] === "Ja");
+                    $product->setBlocked($row[4] === "Ja" || $row[4] === "TRUE");
                     $product->setInventory($row[5]);
                     $product->setBaseUnit($row[6]);
                     $product->setBuyUnit($row[7]);