diff --git a/Wox.Core/Configuration/Portable.cs b/Wox.Core/Configuration/Portable.cs
index d2ce2f1a2..6eb7e768d 100644
--- a/Wox.Core/Configuration/Portable.cs
+++ b/Wox.Core/Configuration/Portable.cs
@@ -133,7 +133,7 @@ namespace Wox.Core.Configuration
 
         public void IndicateDeletion(string filePathTodelete)
         {
-            using (StreamWriter sw = File.CreateText(filePathTodelete + "\\.dead")){}
+            using (StreamWriter sw = File.CreateText(filePathTodelete + "\\" + DataLocation.DeletionIndicatorFile)){}
         }
 
         public void CleanUpFolderAfterPortabilityUpdate()
@@ -144,10 +144,10 @@ namespace Wox.Core.Configuration
             bool DataLocationPortableDeleteRequired = false;
             bool DataLocationRoamingDeleteRequired = false;
 
-            if ((roamingDataPath + "\\.dead").FileExits())
+            if ((roamingDataPath + "\\" + DataLocation.DeletionIndicatorFile).FileExits())
                 DataLocationRoamingDeleteRequired = true;
 
-            if ((portableDataPath + "\\.dead").FileExits())
+            if ((portableDataPath + "\\" + DataLocation.DeletionIndicatorFile).FileExits())
                 DataLocationPortableDeleteRequired = true;
 
             if (DataLocationRoamingDeleteRequired)
diff --git a/Wox.Core/Updater.cs b/Wox.Core/Updater.cs
index b05984494..6a04def9f 100644
--- a/Wox.Core/Updater.cs
+++ b/Wox.Core/Updater.cs
@@ -81,7 +81,7 @@ namespace Wox.Core
             
             await updateManager.ApplyReleases(newUpdateInfo);
 
-            if (DataLocation.PortableDataLocationInUse)
+            if (DataLocation.PortableDataLocationInUse())
             {
                 var targetDestination = updateManager.RootAppDirectory + $"\\app-{newReleaseVersion.ToString()}\\{DataLocation.PortableFolderName}";
                 FilesFolders.Copy(DataLocation.PortableDataPath, targetDestination);
diff --git a/Wox.Infrastructure/UserSettings/DataLocation.cs b/Wox.Infrastructure/UserSettings/DataLocation.cs
index f100cdfeb..ef85341c5 100644
--- a/Wox.Infrastructure/UserSettings/DataLocation.cs
+++ b/Wox.Infrastructure/UserSettings/DataLocation.cs
@@ -9,21 +9,24 @@ namespace Wox.Infrastructure.UserSettings
 {
     public static class DataLocation
     {
-        public static bool PortableDataLocationInUse;
         public const string PortableFolderName = "UserData";
+        public const string DeletionIndicatorFile = ".dead";
         public static string PortableDataPath = Path.Combine(Constant.ProgramDirectory, PortableFolderName);
         public static string RoamingDataPath = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.ApplicationData), Constant.Wox);
         public static string DataDirectory()
         {
-            if (Directory.Exists(PortableDataPath))
-            {
-                PortableDataLocationInUse = true;
+            if (PortableDataLocationInUse())
                 return PortableDataPath;
-            }
-            else
-            {
-                return RoamingDataPath;
-            }
+
+            return RoamingDataPath;
+        }
+
+        public static bool PortableDataLocationInUse()
+        {
+            if (Directory.Exists(PortableDataPath) && !File.Exists(DeletionIndicatorFile))
+                return true;
+
+            return false;
         }
 
         public static readonly string PluginsDirectory = Path.Combine(DataDirectory(), Constant.Plugins);
diff --git a/Wox.Infrastructure/UserSettings/Settings.cs b/Wox.Infrastructure/UserSettings/Settings.cs
index 487bf7d12..9d8e46ae6 100644
--- a/Wox.Infrastructure/UserSettings/Settings.cs
+++ b/Wox.Infrastructure/UserSettings/Settings.cs
@@ -77,7 +77,7 @@ namespace Wox.Infrastructure.UserSettings
         public bool DontPromptUpdateMsg { get; set; }
         public bool EnableUpdateLog { get; set; }
 
-        public bool PortableMode { get; set; } = false;
+        public bool PortableMode { get; set; } = DataLocation.PortableDataLocationInUse();
 
         public bool StartWoxOnSystemStartup { get; set; } = true;
         public bool HideOnStartup { get; set; }