diff --git a/DDrawCompat/Config/Settings/AltTabFix.h b/DDrawCompat/Config/Settings/AltTabFix.h
index e42afed..62d6da9 100644
--- a/DDrawCompat/Config/Settings/AltTabFix.h
+++ b/DDrawCompat/Config/Settings/AltTabFix.h
@@ -9,16 +9,23 @@ namespace Config
 		class AltTabFix : public EnumSetting
 		{
 		public:
-			enum Values { OFF, KEEPVIDMEM };
+			enum Values { OFF, KEEPVIDMEM, NOACTIVATEAPP };
 
 			AltTabFix()
-				: EnumSetting("AltTabFix", "off", { "off", "keepvidmem" })
+				: EnumSetting("AltTabFix", "off", { "off", "keepvidmem", "noactivateapp" })
 			{
 			}
 
 			virtual ParamInfo getParamInfo() const override
 			{
-				return KEEPVIDMEM == m_value ? ParamInfo{ "KeepPrimary", 0, 1, 1 } : ParamInfo{};
+				switch (m_value)
+				{
+				case KEEPVIDMEM:
+					return { "KeepPrimary", 0, 1, 1 };
+				case NOACTIVATEAPP:
+					return { "PassToApp", 0, 1, 1 };
+				}
+				return {};
 			}
 		};
 	}
diff --git a/DDrawCompat/DDraw/DirectDraw.cpp b/DDrawCompat/DDraw/DirectDraw.cpp
index 696922b..394ffc3 100644
--- a/DDrawCompat/DDraw/DirectDraw.cpp
+++ b/DDrawCompat/DDraw/DirectDraw.cpp
@@ -183,12 +183,18 @@ namespace
 		if (origWndProc)
 		{
 			auto tagSurface = DDraw::TagSurface::findFullscreenWindow();
-			if (tagSurface && tagSurface->getExclusiveOwnerThreadId() != GetCurrentThreadId())
+			if (tagSurface && tagSurface->getExclusiveOwnerThreadId() != GetCurrentThreadId() ||
+				Config::Settings::AltTabFix::NOACTIVATEAPP == Config::altTabFix.get())
 			{
 				if (!wParam)
 				{
 					ShowWindow(hwnd, SW_SHOWMINNOACTIVE);
 				}
+				if (Config::Settings::AltTabFix::NOACTIVATEAPP == Config::altTabFix.get() &&
+					0 == Config::altTabFix.getParam())
+				{
+					return LOG_RESULT(0);
+				}
 				return LOG_RESULT(CallWindowProcA(origWndProc, hwnd, WM_ACTIVATEAPP, wParam, lParam));
 			}
 		}