diff --git a/server/vbv_lernwelt/course/consts.py b/server/vbv_lernwelt/course/consts.py
index 831d5987..a0dd7b27 100644
--- a/server/vbv_lernwelt/course/consts.py
+++ b/server/vbv_lernwelt/course/consts.py
@@ -1,3 +1,4 @@
+# Course IDs
 COURSE_TEST_ID = -1
 COURSE_UK = -3
 COURSE_VERSICHERUNGSVERMITTLERIN_ID = -4
diff --git a/server/vbv_lernwelt/course/creators/test_utils.py b/server/vbv_lernwelt/course/creators/test_utils.py
index ac99904b..f9d65487 100644
--- a/server/vbv_lernwelt/course/creators/test_utils.py
+++ b/server/vbv_lernwelt/course/creators/test_utils.py
@@ -88,9 +88,10 @@ def create_user(username: str) -> User:
 
 
 def create_course_session(
-    course: Course, title: str, generation: str = "2023"
+    course: Course, title: str, generation: str = "2023", _id=None
 ) -> CourseSession:
     return CourseSession.objects.create(
+        id=_id,
         course=course,
         title=title,
         import_id=title,
diff --git a/server/vbv_lernwelt/shop/tests/test_datatrans_webhook.py b/server/vbv_lernwelt/shop/tests/test_datatrans_webhook.py
index 5850ea11..c18f7e6c 100644
--- a/server/vbv_lernwelt/shop/tests/test_datatrans_webhook.py
+++ b/server/vbv_lernwelt/shop/tests/test_datatrans_webhook.py
@@ -35,7 +35,13 @@ class DatatransWebhookTestCase(APITestCase):
             _id=COURSE_VERSICHERUNGSVERMITTLERIN_ID,
         )
 
-        create_course_session(course=course, title="Versicherungsvermittler/-in DE")
+        create_course_session(
+            course=course,
+            title="Versicherungsvermittler/-in DE",
+            # MUST be 1 -> this is the correct
+            # VV DE course session ID in production
+            _id=1,
+        )
 
         self.user = User.objects.create_user(
             username="testuser",
@@ -145,14 +151,21 @@ class DatatransWebhookTestCase(APITestCase):
             CourseSessionUser.objects.count(),
         )
 
+        csu = CourseSessionUser.objects.first()
+
         self.assertEqual(
             self.user,
-            CourseSessionUser.objects.first().user,
+            csu.user,
+        )
+
+        self.assertEqual(
+            1,
+            csu.course_session.id,
         )
 
         self.assertEqual(
             COURSE_VERSICHERUNGSVERMITTLERIN_ID,
-            CourseSessionUser.objects.first().course_session.course.id,
+            csu.course_session.course.id,
         )
 
         self.assertEqual(
diff --git a/server/vbv_lernwelt/shop/views.py b/server/vbv_lernwelt/shop/views.py
index 3f5e4a97..06672826 100644
--- a/server/vbv_lernwelt/shop/views.py
+++ b/server/vbv_lernwelt/shop/views.py
@@ -8,11 +8,6 @@ from rest_framework.response import Response
 from sentry_sdk import capture_exception
 
 from vbv_lernwelt.core.models import Country, User
-from vbv_lernwelt.course.consts import (
-    COURSE_VERSICHERUNGSVERMITTLERIN_FR_ID,
-    COURSE_VERSICHERUNGSVERMITTLERIN_ID,
-    COURSE_VERSICHERUNGSVERMITTLERIN_IT_ID,
-)
 from vbv_lernwelt.course.models import CourseSession, CourseSessionUser
 from vbv_lernwelt.notify.email.email_services import EmailTemplate, send_email
 from vbv_lernwelt.shop.const import (
@@ -37,10 +32,11 @@ from vbv_lernwelt.shop.services import (
 
 logger = structlog.get_logger(__name__)
 
-PRODUCT_SKU_TO_COURSE = {
-    VV_DE_PRODUCT_SKU: COURSE_VERSICHERUNGSVERMITTLERIN_ID,
-    VV_FR_PRODUCT_SKU: COURSE_VERSICHERUNGSVERMITTLERIN_FR_ID,
-    VV_IT_PRODUCT_SKU: COURSE_VERSICHERUNGSVERMITTLERIN_IT_ID,
+PRODUCT_SKU_TO_COURSE_SESSION_ID = {
+    # CourseSession IDs PROD/STAGING
+    VV_DE_PRODUCT_SKU: 1,  # vv-de
+    VV_FR_PRODUCT_SKU: 2,  # vv-fr
+    VV_IT_PRODUCT_SKU: 3,  # vv-it
 }
 
 
@@ -229,9 +225,9 @@ def create_vv_course_session_user(checkout_info: CheckoutInformation):
     _, created = CourseSessionUser.objects.get_or_create(
         user=checkout_info.user,
         role=CourseSessionUser.Role.MEMBER,
-        course_session=CourseSession.objects.filter(
-            course_id=PRODUCT_SKU_TO_COURSE[checkout_info.product_sku]
-        ).first(),
+        course_session=CourseSession.objects.get(
+            id=PRODUCT_SKU_TO_COURSE_SESSION_ID[checkout_info.product_sku]
+        ),
     )
 
     if created: