diff --git a/AquaMai/Config.cs b/AquaMai/Config.cs
index 7cd7c8e6..927cf329 100644
--- a/AquaMai/Config.cs
+++ b/AquaMai/Config.cs
@@ -39,10 +39,10 @@ public class UXConfig
             public bool TestProof { get; set; }
             public bool HideSelfMadeCharts { get; set; }
             public bool SelectionDetail { get; set; }
-            public string CustomVersionString { get; set; }
-            public string CustomPlaceName { get; set; }
-            public string ExecOnIdle { get; set; }
-            public string ExecOnEntry { get; set; }
+            public string CustomVersionString { get; set; } = "";
+            public string CustomPlaceName { get; set; } = "";
+            public string ExecOnIdle { get; set; } = "";
+            public string ExecOnEntry { get; set; } = "";
         }
 
         public class PerformanceConfig