diff --git a/backend/src/Designer/Services/Implementation/OptionsService.cs b/backend/src/Designer/Services/Implementation/OptionsService.cs
index 591daad2a30..7685a021f14 100644
--- a/backend/src/Designer/Services/Implementation/OptionsService.cs
+++ b/backend/src/Designer/Services/Implementation/OptionsService.cs
@@ -1,3 +1,4 @@
+using System;
 using System.Collections.Generic;
 using System.ComponentModel.DataAnnotations;
 using System.Text.Json;
@@ -51,14 +52,15 @@ public async Task<List<Option>> GetOptionsList(string org, string repo, string d
         cancellationToken.ThrowIfCancellationRequested();
         var altinnAppGitRepository = _altinnGitRepositoryFactory.GetAltinnAppGitRepository(org, repo, developer);
 
-        string optionsListString = await altinnAppGitRepository.GetOptionsList(optionsListId, cancellationToken);
-        var optionsList = JsonSerializer.Deserialize<List<Option>>(optionsListString);
+        List<Option> optionsList;
 
+        string optionsListString = await altinnAppGitRepository.GetOptionsList(optionsListId, cancellationToken);
         try
         {
+            optionsList = JsonSerializer.Deserialize<List<Option>>(optionsListString);
             optionsList.ForEach(ValidateOption);
         }
-        catch (ValidationException)
+        catch (Exception ex) when (ex is ValidationException || ex is JsonException)
         {
             throw new InvalidOptionsFormatException($"One or more of the options have an invalid format in option list: {optionsListId}.");
         }
diff --git a/backend/tests/Designer.Tests/Controllers/OptionsController/GetOptionsTests.cs b/backend/tests/Designer.Tests/Controllers/OptionsController/GetOptionsTests.cs
index 010ca0521f9..f0ae8b42f1b 100644
--- a/backend/tests/Designer.Tests/Controllers/OptionsController/GetOptionsTests.cs
+++ b/backend/tests/Designer.Tests/Controllers/OptionsController/GetOptionsTests.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.IO;
 using System.Net.Http;
 using System.Text.Json;
 using System.Threading.Tasks;
@@ -7,6 +8,7 @@
 using Altinn.Studio.Designer.Models;
 using Altinn.Studio.Designer.Models.Dto;
 using Designer.Tests.Controllers.ApiTests;
+using Designer.Tests.Utils;
 using FluentAssertions;
 using Microsoft.AspNetCore.Http;
 using Microsoft.AspNetCore.Mvc;
@@ -63,8 +65,24 @@ public async Task GetOptionLists_Returns200OK_WithOptionListsData()
     {
         // Arrange
         const string repo = "app-with-options";
-        string apiUrl = $"/designer/api/ttd/{repo}/options/option-lists";
+        string targetRepository = TestDataHelper.GenerateTestRepoName();
+        await CopyRepositoryForTest("ttd", repo, "testUser", targetRepository);
+        string apiUrl = $"/designer/api/ttd/{targetRepository}/options/option-lists";
         using HttpRequestMessage httpRequestMessage = new(HttpMethod.Get, apiUrl);
+        string optionListMissingValue = @"[{ ""label"": ""someLabel""}]";
+        string optionListMissingLabel = @"[{ ""value"": ""someValue""}]";
+        string optionListTrailingComma = @"[{ ""value"": ""someValue"", ""label"": ""someLabel"",}]";
+        string optionListLabelWithObject = @"[{ ""value"": ""someValue"", ""label"": {}}]";
+        string optionListLabelWithNumber = @"[{ ""value"": ""someValue"", ""label"": 12345}]";
+        string optionListLabelWithBool = @"[{ ""value"": ""someValue"", ""label"": true}]";
+        string repoPath = TestDataHelper.GetTestDataRepositoryDirectory("ttd", targetRepository, "testUser");
+        string filePath = Path.Combine(repoPath, "App/options");
+        await File.WriteAllTextAsync(Path.Combine(filePath, "optionListMissingValue.json"), optionListMissingValue);
+        await File.WriteAllTextAsync(Path.Combine(filePath, "optionListMissingLabel.json"), optionListMissingLabel);
+        await File.WriteAllTextAsync(Path.Combine(filePath, "optionListTrailingComma.json"), optionListTrailingComma);
+        await File.WriteAllTextAsync(Path.Combine(filePath, "optionListLabelWithObject.json"), optionListLabelWithObject);
+        await File.WriteAllTextAsync(Path.Combine(filePath, "optionListLabelWithNumber.json"), optionListLabelWithNumber);
+        await File.WriteAllTextAsync(Path.Combine(filePath, "optionListLabelWithBool.json"), optionListLabelWithBool);
 
         // Act
         using HttpResponseMessage response = await HttpClient.SendAsync(httpRequestMessage);
@@ -77,7 +95,13 @@ public async Task GetOptionLists_Returns200OK_WithOptionListsData()
         {
             new () { Title = "options-with-null-fields", Data = null, HasError = true },
             new () { Title = "other-options", HasError = false },
-            new () { Title = "test-options", HasError = false }
+            new () { Title = "test-options", HasError = false },
+            new () { Title = "optionListMissingValue", Data = null, HasError = true },
+            new () { Title = "optionListMissingLabel", Data = null, HasError = true },
+            new () { Title = "optionListTrailingComma", Data = null, HasError = true },
+            new () { Title = "optionListLabelWithObject", Data = null, HasError = true },
+            new () { Title = "optionListLabelWithNumber", Data = null, HasError = true },
+            new () { Title = "optionListLabelWithBool", Data = null, HasError = true }
         }, options => options.Excluding(x => x.Data));
     }