diff --git a/client/src/services/files.ts b/client/src/services/files.ts
index 44c18a4d..1de8b101 100644
--- a/client/src/services/files.ts
+++ b/client/src/services/files.ts
@@ -16,11 +16,11 @@ function uploadFile(fileData, file: File) {
   if (fileData.fields) {
     return s3Upload(fileData, file);
   } else {
-    return djUpload(fileData, file);
+    return directUpload(fileData, file);
   }
 }
 
-function djUpload(fileData, file: File) {
+function directUpload(fileData, file: File) {
   const formData = new FormData();
   formData.append("file", file);
 
@@ -36,11 +36,7 @@ function djUpload(fileData, file: File) {
   // @ts-ignore
   options.headers["X-CSRFToken"] = getCookieValue("csrftoken");
 
-  return itFetch(fileData.url, options).then((response) => {
-    return response.json().catch(() => {
-      return Promise.resolve(null);
-    });
-  });
+  handleUpload(fileData.url, options);
 }
 
 function s3Upload(fileData, file: File) {
@@ -50,13 +46,17 @@ function s3Upload(fileData, file: File) {
   }
 
   formData.append("file", file);
-  console.log("fetch", formData);
+
   const options = Object.assign({
     method: "POST",
     body: formData,
   });
 
-  return itFetch(fileData.url, options).then((response) => {
+  return handleUpload(fileData.url, options);
+}
+
+function handleUpload(url: string, options) {
+  return itFetch(url, options).then((response) => {
     return response.json().catch(() => {
       return Promise.resolve(null);
     });
diff --git a/server/vbv_lernwelt/course/permissions.py b/server/vbv_lernwelt/course/permissions.py
index 162fd2b2..ce39431b 100644
--- a/server/vbv_lernwelt/course/permissions.py
+++ b/server/vbv_lernwelt/course/permissions.py
@@ -32,17 +32,20 @@ def is_circle_expert(user, learning_sequence, course) -> bool:
         return True
 
     try:
-        ls = LearningSequence.objects.get(id=learning_sequence)
+        learning_sequence = LearningSequence.objects.get(id=learning_sequence)
     except LearningSequence.DoesNotExist:
         return False
 
-    if not CourseSession.objects.filter(
-        id=course, coursesessionuser__user=user
-    ).exists():
+    circle_id = learning_sequence.get_parent().circle.id
+
+    try:
+        CourseSessionUser.objects.get(
+            course_session__id=course,
+            user_id=user.id,
+            role=CourseSessionUser.Role.EXPERT,
+            expert__id=circle_id,
+        )
+    except CourseSessionUser.DoesNotExist:
         return False
 
-    for expert in ls.get_parent().circle.experts.raw_data:
-        if expert["value"]["email"] == user.email:
-            return True
-
-    return False
+    return True
diff --git a/server/vbv_lernwelt/course/tests/test_document_uploads.py b/server/vbv_lernwelt/course/tests/test_document_uploads.py
index 3e46d26d..06514bf1 100644
--- a/server/vbv_lernwelt/course/tests/test_document_uploads.py
+++ b/server/vbv_lernwelt/course/tests/test_document_uploads.py
@@ -6,7 +6,7 @@ from vbv_lernwelt.course.consts import COURSE_TEST_ID
 from vbv_lernwelt.course.creators.test_course import create_test_course
 from vbv_lernwelt.course.models import CircleDocument, CourseSession, CourseSessionUser
 from vbv_lernwelt.files.models import File
-from vbv_lernwelt.learnpath.models import LearningSequence
+from vbv_lernwelt.learnpath.models import Circle, LearningSequence
 
 
 class DocumentUploadApiTestCase(APITestCase):
@@ -29,6 +29,7 @@ class DocumentUploadApiTestCase(APITestCase):
             user=User.objects.get(username="patrizia.huggel@eiger-versicherungen.ch"),
             role=CourseSessionUser.Role.EXPERT,
         )
+        csu.expert.add(Circle.objects.get(slug="test-lehrgang-lp-circle-analyse"))
 
         self.test_data = {
             "file_name": "test.pdf",