diff --git a/playground/src/components/view_mode/evaluation_mode/expert_evaluation/evaluation_management.tsx b/playground/src/components/view_mode/evaluation_mode/expert_evaluation/evaluation_management.tsx
index fc9c5752..da87b68c 100644
--- a/playground/src/components/view_mode/evaluation_mode/expert_evaluation/evaluation_management.tsx
+++ b/playground/src/components/view_mode/evaluation_mode/expert_evaluation/evaluation_management.tsx
@@ -66,7 +66,7 @@ export default function EvaluationManagement() {
     return newConfig;
   };
 
-  const saveExpertEvaluationConfig = (configToSave = selectedConfig) => {
+  const saveExpertEvaluationConfig = (configToSave = selectedConfig, isAnonymize = false) => {
     const isNewConfig = configToSave.id === "new";
     const newConfig = isNewConfig ? { ...configToSave, id: uuidv4() } : configToSave;
     setExpertEvaluationConfigs((prevConfigs) => {
@@ -81,7 +81,7 @@ export default function EvaluationManagement() {
     });
 
     setSelectedConfig(newConfig);
-    externalSaveExpertEvaluationConfig(dataMode, newConfig, isNewConfig);
+    externalSaveExpertEvaluationConfig(dataMode, newConfig, isAnonymize);
     setHasUnsavedChanges(false);
   };
 
@@ -122,7 +122,7 @@ export default function EvaluationManagement() {
   const startEvaluation = () => {
     if (confirm("Are you sure you want to start the evaluation? Once started, you can add new expert links but no other changes can be made to the configuration!")) {
       const updatedConfig = updateSelectedConfig({ started: true });
-      saveExpertEvaluationConfig(updatedConfig);
+      saveExpertEvaluationConfig(updatedConfig, true);
     }
   };
 
diff --git a/playground/src/helpers/get_data.ts b/playground/src/helpers/get_data.ts
index 19c0b33e..4cc1790a 100644
--- a/playground/src/helpers/get_data.ts
+++ b/playground/src/helpers/get_data.ts
@@ -364,8 +364,18 @@ export function anonymizeFeedbackCategoriesAndShuffle(
 export function saveConfigToFileSync(
   dataMode: DataMode,
   expertEvaluation: ExpertEvaluationConfig,
-) {
-  const configData = JSON.stringify(expertEvaluation, null, 2);
+  isAddExpertLinksAfterStart = false
+){
+
+  if (isAddExpertLinksAfterStart) {
+    let config = getConfigFromFileSync(dataMode, expertEvaluation.id);
+    if (config && config.expertIds) {
+      config.expertIds = expertEvaluation.expertIds;
+      expertEvaluation = config;
+    }
+  }
+
+  let configData = JSON.stringify(expertEvaluation, null, 2);
 
   const configPath = path.join(
     process.cwd(),
@@ -410,7 +420,8 @@ export function saveConfigToFileSync(
   }
 
   // Create or update config file with exercises and data
-  return fs.writeFileSync(configPath, configData, 'utf8');
+  fs.writeFileSync(configPath, configData, 'utf8');
+  return configData;
 }
 
 export function getProgressStatsFromFileSync(
diff --git a/playground/src/hooks/playground/expert_evaluation_config.ts b/playground/src/hooks/playground/expert_evaluation_config.ts
index 5e54d865..d58d4c33 100644
--- a/playground/src/hooks/playground/expert_evaluation_config.ts
+++ b/playground/src/hooks/playground/expert_evaluation_config.ts
@@ -6,10 +6,10 @@ import { DataMode } from "@/model/data_mode";
 export async function saveExpertEvaluationConfig(
     dataMode: DataMode,
     config: ExpertEvaluationConfig,
-    isCreate: boolean) {
+    isAnonymize: boolean) {
 
-    const response = await fetch(`${baseUrl}/api/data/${dataMode}/expert_evaluation/${config.id}/config`, {
-        method: isCreate ? 'POST' : 'PUT',
+    const response = await fetch(`${baseUrl}/api/data/${dataMode}/expert_evaluation/${config.id}/config?isAnonymize=${isAnonymize}`, {
+        method: 'POST',
         headers: { "Content-Type": "application/json" },
         body: JSON.stringify(config),
     });
diff --git a/playground/src/pages/api/data/[dataMode]/expert_evaluation/[expertEvaluationId]/config.ts b/playground/src/pages/api/data/[dataMode]/expert_evaluation/[expertEvaluationId]/config.ts
index 1bc5a2a6..3d69d347 100644
--- a/playground/src/pages/api/data/[dataMode]/expert_evaluation/[expertEvaluationId]/config.ts
+++ b/playground/src/pages/api/data/[dataMode]/expert_evaluation/[expertEvaluationId]/config.ts
@@ -11,19 +11,19 @@ import { ExpertEvaluationConfig } from "@/model/expert_evaluation_config";
 
 function handler(req: NextApiRequest, res: NextApiResponse) {
     if (req.method == 'POST') {
-        const { dataMode } = req.query as { dataMode: DataMode };
+        const { dataMode, isAnonymize } = req.query as { dataMode: DataMode, isAnonymize: string };
         const expertEvaluationConfig: ExpertEvaluationConfig = req.body;
 
-        anonymizeFeedbackCategoriesAndShuffle(expertEvaluationConfig);
-        saveConfigToFileSync(dataMode, expertEvaluationConfig);
-        return res.status(200).json({ message: 'Config created successfully' });
+        if (isAnonymize == "true") {
+            anonymizeFeedbackCategoriesAndShuffle(expertEvaluationConfig);
+            saveConfigToFileSync(dataMode, expertEvaluationConfig);
 
-    } else if (req.method == 'PUT') {
-        const { dataMode } = req.query as { dataMode: DataMode };
-        const expertEvaluationConfig: ExpertEvaluationConfig = req.body;
+          // Add expert links after the evaluation has already started
+        } else {
+            saveConfigToFileSync(dataMode, expertEvaluationConfig, expertEvaluationConfig.started);
+        }
 
-        saveConfigToFileSync(dataMode, expertEvaluationConfig);
-        return res.status(200).json({ message: 'Config saved successfully' });
+        return res.status(200).json({expertEvaluationConfig});
 
     } else if (req.method == 'GET') {
         const { dataMode, expertEvaluationId } = req.query as { dataMode: DataMode; expertEvaluationId: string };
@@ -33,7 +33,7 @@ function handler(req: NextApiRequest, res: NextApiResponse) {
         return res.status(200).json(config);
     } else {
         res.setHeader('Allow', ['POST']);
-        return res.status(405).json({ message: 'Only GET, POST and PUT requests allowed' });
+        return res.status(405).json({ message: 'Only GET and POST requests allowed' });
     }
 }