diff --git a/AddOn/Fehlzeitenimport/TimeTrackingAPI.php b/AddOn/Fehlzeitenimport/TimeTrackingAPI.php
index c405bfd0..57a3e4c8 100644
--- a/AddOn/Fehlzeitenimport/TimeTrackingAPI.php
+++ b/AddOn/Fehlzeitenimport/TimeTrackingAPI.php
@@ -71,8 +71,20 @@ class TimeTrackingAPI
         return $response['Result'] ?? throw new RuntimeException('Unexpected response: ' . json_encode($response));
     }
 
-    public function getExportData(string $guid): array
+    public function getExportData(string $guid): array|string
     {
-        return $this->request('GET', "api/export/{$guid}");
+            $url = "api/export/{$guid}";
+
+        $response = $this->rawRequest('GET', $url);
+
+        // Versuche, JSON zu dekodieren
+        $decoded = json_decode($response, true);
+
+        if (json_last_error() === JSON_ERROR_NONE) {
+            return $decoded;
+        }
+
+        // Kein JSON – gib den Rohinhalt zurück (CSV, Text etc.)
+        return $response;
     }
 }