diff --git a/DS4Windows/AutoProfileChecker.cs b/DS4Windows/AutoProfileChecker.cs
index b03130b..e2e28af 100644
--- a/DS4Windows/AutoProfileChecker.cs
+++ b/DS4Windows/AutoProfileChecker.cs
@@ -99,10 +99,18 @@ namespace DS4WinWPF
                     {
                         if (Global.useTempProfile[j])
                         {
-                            if (autoProfileDebugLogLevel > 0)
-                                DS4Windows.AppLogger.LogToGui($"DEBUG: Auto-Profile. RestoreProfile Controller {j + 1}={Global.ProfilePath[j]} (default)", false);
+                            if (DS4Windows.Global.AutoProfileRevertDefaultProfile)
+                            {
+                                if (autoProfileDebugLogLevel > 0)
+                                    DS4Windows.AppLogger.LogToGui($"DEBUG: Auto-Profile. Unknown process. Reverting to default profile. Controller {j + 1}={Global.ProfilePath[j]} (default)", false);
 
-                            Global.LoadProfile(j, false, Program.rootHub);
+                                Global.LoadProfile(j, false, Program.rootHub);
+                            }
+                            else
+                            {
+                                if (autoProfileDebugLogLevel > 0)
+                                    DS4Windows.AppLogger.LogToGui($"DEBUG: Auto-Profile. Unknown process. Existing profile left as active. Controller {j + 1}={Global.tempprofilename[j]}", false);
+                            }
                         }
                     }
 
diff --git a/DS4Windows/DS4Control/ScpUtil.cs b/DS4Windows/DS4Control/ScpUtil.cs
index a7e98bf..a4f5d91 100644
--- a/DS4Windows/DS4Control/ScpUtil.cs
+++ b/DS4Windows/DS4Control/ScpUtil.cs
@@ -965,6 +965,12 @@ namespace DS4Windows
             get { return m_Config.customSteamFolder; }
         }
 
+        public static bool AutoProfileRevertDefaultProfile
+        {
+            set { m_Config.autoProfileRevertDefaultProfile = value; }
+            get { return m_Config.autoProfileRevertDefaultProfile; }
+        }
+
         // controller/profile specfic values
         public static int[] ButtonMouseSensitivity => m_Config.buttonMouseSensitivity;
 
@@ -2208,6 +2214,9 @@ namespace DS4Windows
             OutContType.X360, OutContType.X360,
             OutContType.X360, OutContType.X360 };
 
+        // TRUE=AutoProfile reverts to default profile if current foreground process is unknown, FALSE=Leave existing profile active when a foreground proces is unknown (ie. no matching auto-profile rule)
+        public bool autoProfileRevertDefaultProfile = true;
+
         bool tempBool = false;
 
         public BackingStore()
@@ -3959,6 +3968,8 @@ namespace DS4Windows
                     catch { missingSetting = true; }
                     try { Item = m_Xdoc.SelectSingleNode("/Profile/CustomSteamFolder"); customSteamFolder = Item.InnerText; }
                     catch { missingSetting = true; }
+                    try { Item = m_Xdoc.SelectSingleNode("/Profile/AutoProfileRevertDefaultProfile"); Boolean.TryParse(Item.InnerText, out autoProfileRevertDefaultProfile); }
+                    catch { missingSetting = true; }
 
                     for (int i = 0; i < 4; i++)
                     {
@@ -4031,6 +4042,7 @@ namespace DS4Windows
             XmlNode xmlUDPServListenAddress = m_Xdoc.CreateNode(XmlNodeType.Element, "UDPServerListenAddress", null); xmlUDPServListenAddress.InnerText = udpServListenAddress; Node.AppendChild(xmlUDPServListenAddress);
             XmlNode xmlUseCustomSteamFolder = m_Xdoc.CreateNode(XmlNodeType.Element, "UseCustomSteamFolder", null); xmlUseCustomSteamFolder.InnerText = useCustomSteamFolder.ToString(); Node.AppendChild(xmlUseCustomSteamFolder);
             XmlNode xmlCustomSteamFolder = m_Xdoc.CreateNode(XmlNodeType.Element, "CustomSteamFolder", null); xmlCustomSteamFolder.InnerText = customSteamFolder; Node.AppendChild(xmlCustomSteamFolder);
+            XmlNode xmlAutoProfileRevertDefaultProfile = m_Xdoc.CreateNode(XmlNodeType.Element, "AutoProfileRevertDefaultProfile", null); xmlAutoProfileRevertDefaultProfile.InnerText = autoProfileRevertDefaultProfile.ToString(); Node.AppendChild(xmlAutoProfileRevertDefaultProfile);
 
             for (int i = 0; i < 4; i++)
             {
diff --git a/DS4Windows/DS4Forms/AutoProfiles.xaml b/DS4Windows/DS4Forms/AutoProfiles.xaml
index 90e6df4..6fc2e90 100644
--- a/DS4Windows/DS4Forms/AutoProfiles.xaml
+++ b/DS4Windows/DS4Forms/AutoProfiles.xaml
@@ -120,6 +120,7 @@
                 <TextBox Text="{Binding Title, UpdateSourceTrigger=LostFocus}" Margin="{StaticResource spaceMargin}" />
                 <Border Height="4" Background="#FFDADADA" Margin="0,10,0,0" />
             </StackPanel>
+            <CheckBox x:Name="revertDefaultProfileOnUnknownCk" Content="Revert to default profile on unknown" Margin="0,10,0,0" IsChecked="{Binding RevertDefaultProfileOnUnknown}" />
             <CheckBox x:Name="showAutoDebugCk" Content="Show auto-profile debug messages" Margin="0,10,0,0" Click="ShowAutoDebugCk_Click" />
         </StackPanel>
         <DockPanel>
diff --git a/DS4Windows/DS4Forms/AutoProfiles.xaml.cs b/DS4Windows/DS4Forms/AutoProfiles.xaml.cs
index 2360442..bd99a40 100644
--- a/DS4Windows/DS4Forms/AutoProfiles.xaml.cs
+++ b/DS4Windows/DS4Forms/AutoProfiles.xaml.cs
@@ -67,6 +67,8 @@ namespace DS4WinWPF.DS4Forms
             programListLV.DataContext = autoProfVM;
             programListLV.ItemsSource = autoProfVM.ProgramColl;
 
+            revertDefaultProfileOnUnknownCk.DataContext = autoProfVM;
+
             autoProfVM.SearchFinished += AutoProfVM_SearchFinished;
             autoProfVM.CurrentItemChange += AutoProfVM_CurrentItemChange;
 
diff --git a/DS4Windows/DS4Forms/MainWindow.xaml.cs b/DS4Windows/DS4Forms/MainWindow.xaml.cs
index d7fb418..dfcdab3 100644
--- a/DS4Windows/DS4Forms/MainWindow.xaml.cs
+++ b/DS4Windows/DS4Forms/MainWindow.xaml.cs
@@ -46,7 +46,6 @@ namespace DS4WinWPF.DS4Forms
         private AutoProfileHolder autoProfileHolder;
         private NonFormTimer hotkeysTimer;
         private NonFormTimer autoProfilesTimer;
-        private static int autoProfileDebugLogLevel = 0; // 0=Dont log debug messages about active process and window titles to GUI Log screen. 1=Show debug log messages
         private AutoProfileChecker autoprofileChecker;
         private ProfileEditor editor;
         private bool preserveSize = true;
@@ -359,8 +358,7 @@ Suspend support not enabled.", true);
 
         private void AutoProfControl_AutoDebugChanged(object sender, EventArgs e)
         {
-            autoprofileChecker.AutoProfileDebugLogLevel =
-                autoProfileDebugLogLevel = autoProfControl.AutoDebug == true ? 1 : 0;
+            autoprofileChecker.AutoProfileDebugLogLevel = autoProfControl.AutoDebug == true ? 1 : 0;
         }
 
         private void PowerEventArrive(object sender, EventArrivedEventArgs e)
diff --git a/DS4Windows/DS4Forms/ViewModels/AutoProfilesViewModel.cs b/DS4Windows/DS4Forms/ViewModels/AutoProfilesViewModel.cs
index 8c063c0..c9107c4 100644
--- a/DS4Windows/DS4Forms/ViewModels/AutoProfilesViewModel.cs
+++ b/DS4Windows/DS4Forms/ViewModels/AutoProfilesViewModel.cs
@@ -50,6 +50,12 @@ namespace DS4WinWPF.DS4Forms.ViewModels
         public delegate void AutoProfileStateHandler(AutoProfilesViewModel sender, bool state);
         public event AutoProfileStateHandler AutoProfileSystemChange;
 
+        public bool RevertDefaultProfileOnUnknown
+        {
+            get => DS4Windows.Global.AutoProfileRevertDefaultProfile;
+            set => DS4Windows.Global.AutoProfileRevertDefaultProfile = value;
+        }
+
         public AutoProfilesViewModel(AutoProfileHolder autoProfileHolder, ProfileList profileList)
         {
             programColl = new ObservableCollection<ProgramItem>();