diff --git a/backend/src/services/learning-objects/dwengo-api-learning-object-provider.ts b/backend/src/services/learning-objects/dwengo-api-learning-object-provider.ts
index 77cde59d..ffa57814 100644
--- a/backend/src/services/learning-objects/dwengo-api-learning-object-provider.ts
+++ b/backend/src/services/learning-objects/dwengo-api-learning-object-provider.ts
@@ -66,12 +66,13 @@ async function fetchLearningObjects(learningPathId: LearningPathIdentifier, full
         }
 
         const objects = await Promise.all(
-            nodes.map(async (node) =>
-                dwengoApiLearningObjectProvider.getLearningObjectById({
+            nodes.map(async (node) => {
+                const learningObjectId: LearningObjectIdentifier = {
                     hruid: node.learningobject_hruid,
-                    language: learningPathId.language,
-                })
-            )
+                    language: learningPathId.language
+                };
+                return dwengoApiLearningObjectProvider.getLearningObjectById(learningObjectId);
+            })
         );
         return objects.filter((obj): obj is FilteredLearningObject => obj !== null);
     } catch (error) {
diff --git a/backend/src/services/questions.ts b/backend/src/services/questions.ts
index 3c0c4820..6609a813 100644
--- a/backend/src/services/questions.ts
+++ b/backend/src/services/questions.ts
@@ -75,9 +75,14 @@ export async function createQuestion(questionDTO: QuestionDTO): Promise<Question
 
     const author = mapToStudent(questionDTO.author);
 
+    const loId: LearningObjectIdentifier = {
+        ...questionDTO.learningObjectIdentifier,
+        version: questionDTO.learningObjectIdentifier.version ?? 1,
+    }
+
     try {
         await questionRepository.createQuestion({
-            loId: questionDTO.learningObjectIdentifier,
+            loId,
             author,
             content: questionDTO.content,
         });
@@ -97,8 +102,13 @@ export async function deleteQuestion(questionId: QuestionId): Promise<QuestionDT
         return null;
     }
 
+    const loId : LearningObjectIdentifier = {
+        ...questionId.learningObjectIdentifier,
+        version: questionId.learningObjectIdentifier.version ?? 1
+    }
+
     try {
-        await questionRepository.removeQuestionByLearningObjectAndSequenceNumber(questionId.learningObjectIdentifier, questionId.sequenceNumber);
+        await questionRepository.removeQuestionByLearningObjectAndSequenceNumber(loId, questionId.sequenceNumber);
     } catch (_) {
         return null;
     }
diff --git a/backend/tests/services/learning-objects/database-learning-object-provider.test.ts b/backend/tests/services/learning-objects/database-learning-object-provider.test.ts
index 0ab531bc..31899ded 100644
--- a/backend/tests/services/learning-objects/database-learning-object-provider.test.ts
+++ b/backend/tests/services/learning-objects/database-learning-object-provider.test.ts
@@ -37,7 +37,7 @@ describe('DatabaseLearningObjectProvider', () => {
         it('should return the learning object when it is queried by its id', async () => {
             const result: FilteredLearningObject | null = await databaseLearningObjectProvider.getLearningObjectById(exampleLearningObject);
             expect(result).toBeTruthy();
-            expectToBeCorrectFilteredLearningObject(result!, exampleLearningObject);
+            expectToBeCorrectFilteredLearningObject(result, exampleLearningObject);
         });
 
         it('should return the learning object when it is queried by only hruid and language (but not version)', async () => {
@@ -46,7 +46,7 @@ describe('DatabaseLearningObjectProvider', () => {
                 language: exampleLearningObject.language,
             });
             expect(result).toBeTruthy();
-            expectToBeCorrectFilteredLearningObject(result!, exampleLearningObject);
+            expectToBeCorrectFilteredLearningObject(result, exampleLearningObject);
         });
 
         it('should return null when queried with an id that does not exist', async () => {