diff --git a/API/Tranga.cs b/API/Tranga.cs
index f50ac7a..65d27fc 100644
--- a/API/Tranga.cs
+++ b/API/Tranga.cs
@@ -97,7 +97,7 @@ public static class Tranga
         {
             CheckRunningWorkers();
 
-            foreach (BaseWorker baseWorker in AllWorkers.DueWorkers())
+            foreach (BaseWorker baseWorker in AllWorkers.DueWorkers().ToArray())
                 StartWorkers.Add(baseWorker);
             
             foreach (BaseWorker worker in StartWorkers.ToArray())
diff --git a/API/TrangaSettings.cs b/API/TrangaSettings.cs
index ceb1299..13d7d3a 100644
--- a/API/TrangaSettings.cs
+++ b/API/TrangaSettings.cs
@@ -59,7 +59,7 @@ public struct TrangaSettings()
 
     public void Save()
     {
-        File.WriteAllText(settingsFilePath, JsonConvert.SerializeObject(this));
+        File.WriteAllText(settingsFilePath, JsonConvert.SerializeObject(this, Formatting.Indented));
     }
 
     public void SetUserAgent(string value)