diff --git a/Flow.Launcher.Infrastructure/UserSettings/CustomBrowserViewModel.cs b/Flow.Launcher.Infrastructure/UserSettings/CustomBrowserViewModel.cs
index 83d5b14c9..24584115d 100644
--- a/Flow.Launcher.Infrastructure/UserSettings/CustomBrowserViewModel.cs
+++ b/Flow.Launcher.Infrastructure/UserSettings/CustomBrowserViewModel.cs
@@ -1,4 +1,5 @@
 using Flow.Launcher.Plugin;
+using System.Text.Json.Serialization;
 
 namespace Flow.Launcher.Infrastructure.UserSettings
 {
@@ -9,6 +10,7 @@ namespace Flow.Launcher.Infrastructure.UserSettings
         public string PrivateArg { get; set; }
         public bool EnablePrivate { get; set; }
         public bool OpenInTab { get; set; } = true;
+        [JsonIgnore]
         public bool OpenInNewWindow => !OpenInTab;
         public bool Editable { get; set; } = true;