diff --git a/src/Member.php b/src/Member.php
index 3174cd5..de74a92 100644
--- a/src/Member.php
+++ b/src/Member.php
@@ -45,6 +45,7 @@ class Member extends Model {
         'zeitschriftenversand' => 'send_newspaper',
         'regionId' => 'region_id',
         'landId' => 'country_id',
+        'beitragsartId' => 'fee_id',
     ];
 
     protected $casts = [];
diff --git a/tests/Unit/PullMemberTest.php b/tests/Unit/PullMemberTest.php
index e08e62d..89e8866 100644
--- a/tests/Unit/PullMemberTest.php
+++ b/tests/Unit/PullMemberTest.php
@@ -42,6 +42,7 @@ class PullMemberTest extends TestCase
             'send_newspaper' => ['send_newspaper', [true, false]],
             'region_id' => ['region_id', [10, 11]],
             'country_id' => ['country_id', [100, 101]],
+            'fee_id' => ['fee_id', [1, 15]],
         ];
     }
 
diff --git a/tests/json/member-17.json b/tests/json/member-17.json
index c4c5b2f..cb435b6 100644
--- a/tests/json/member-17.json
+++ b/tests/json/member-17.json
@@ -67,7 +67,7 @@
         "genericField1": null,
         "genericField2": null,
         "telefax": "+55222",
-        "beitragsartId": 1,
+        "beitragsartId": 15,
         "plz": "5555"
     },
     "responseType": null,