diff --git a/DDrawCompat/CompatActivateAppHandler.cpp b/DDrawCompat/CompatActivateAppHandler.cpp
index b40e4e0..35f2f58 100644
--- a/DDrawCompat/CompatActivateAppHandler.cpp
+++ b/DDrawCompat/CompatActivateAppHandler.cpp
@@ -1,6 +1,7 @@
 #include "CompatActivateAppHandler.h"
 #include "CompatDirectDraw.h"
 #include "CompatDirectDrawSurface.h"
+#include "CompatGdi.h"
 #include "CompatPrimarySurface.h"
 #include "DDrawLog.h"
 #include "RealPrimarySurface.h"
@@ -54,9 +55,11 @@ namespace
 					CompatDirectDraw<IDirectDraw7>::s_origVtable.SetDisplayMode(
 						dd, dm.width, dm.height, 32, dm.refreshRate, 0);
 				}
+				CompatGdi::enableEmulation();
 			}
 			else
 			{
+				CompatGdi::disableEmulation();
 				if (CompatPrimarySurface::isDisplayModeChanged)
 				{
 					CompatDirectDraw<IDirectDraw7>::s_origVtable.RestoreDisplayMode(dd);
diff --git a/DDrawCompat/CompatGdi.cpp b/DDrawCompat/CompatGdi.cpp
index 74dcfc5..9f54ad9 100644
--- a/DDrawCompat/CompatGdi.cpp
+++ b/DDrawCompat/CompatGdi.cpp
@@ -1,3 +1,5 @@
+#include <atomic>
+
 #include "CompatDirectDrawPalette.h"
 #include "CompatDirectDrawSurface.h"
 #include "CompatGdi.h"
@@ -15,6 +17,7 @@
 
 namespace
 {
+	std::atomic<int> g_disableEmulationCount = 0;
 	DWORD g_renderingRefCount = 0;
 	DWORD g_ddLockThreadRenderingRefCount = 0;
 	DWORD g_ddLockThreadId = 0;
@@ -154,6 +157,16 @@ namespace CompatGdi
 		}
 	}
 
+	void disableEmulation()
+	{
+		++g_disableEmulationCount;
+	}
+
+	void enableEmulation()
+	{
+		--g_disableEmulationCount;
+	}
+
 	void hookWndProc(LPCSTR className, WNDPROC &oldWndProc, WNDPROC newWndProc)
 	{
 		HWND hwnd = CreateWindow(className, nullptr, 0, 0, 0, 0, 0, nullptr, nullptr, nullptr, 0);
@@ -193,7 +206,7 @@ namespace CompatGdi
 
 	bool isEmulationEnabled()
 	{
-		return RealPrimarySurface::isFullScreen();
+		return g_disableEmulationCount <= 0 && RealPrimarySurface::isFullScreen();
 	}
 
 	void unhookWndProc(LPCSTR className, WNDPROC oldWndProc)
diff --git a/DDrawCompat/CompatGdi.h b/DDrawCompat/CompatGdi.h
index 3deb5df..80f8021 100644
--- a/DDrawCompat/CompatGdi.h
+++ b/DDrawCompat/CompatGdi.h
@@ -9,6 +9,9 @@ namespace CompatGdi
 	bool beginGdiRendering();
 	void endGdiRendering();
 
+	void disableEmulation();
+	void enableEmulation();
+
 	void hookWndProc(LPCSTR className, WNDPROC &oldWndProc, WNDPROC newWndProc);
 	void installHooks();
 	void invalidate(const RECT* rect);