diff --git a/inc/dd.h b/inc/dd.h
index ec198ea..bfddd0a 100644
--- a/inc/dd.h
+++ b/inc/dd.h
@@ -175,6 +175,7 @@ typedef struct CNCDDRAW
     RECT bnet_win_rect;
     POINT bnet_pos;
     void* last_freed_palette; /* Dungeon Keeper hack */
+    void* last_freed_surface; /* Nox hack */
     BOOL child_window_exists;
     BOOL got_child_windows;
     DWORD last_set_window_pos_tick; /* WINE hack */
diff --git a/src/IDirectDraw/IDirectDrawSurface.c b/src/IDirectDraw/IDirectDrawSurface.c
index 973b5ba..ebe71b7 100644
--- a/src/IDirectDraw/IDirectDrawSurface.c
+++ b/src/IDirectDraw/IDirectDrawSurface.c
@@ -111,8 +111,10 @@ ULONG __stdcall IDirectDrawSurface__Release(IDirectDrawSurfaceImpl* This)
         if (This->mapping)
             CloseHandle(This->mapping);
 
-        if (This->backbuffer)
+        if (This->backbuffer && (!g_ddraw || (void*)This->backbuffer != g_ddraw->last_freed_surface))
+        {
             IDirectDrawSurface_Release(This->backbuffer);
+        }
 
         if (This->clipper)
             IDirectDrawClipper_Release(This->clipper);
@@ -124,6 +126,9 @@ ULONG __stdcall IDirectDrawSurface__Release(IDirectDrawSurfaceImpl* This)
 
         DeleteCriticalSection(&This->cs);
 
+        if (g_ddraw)
+            g_ddraw->last_freed_surface = This;
+
         HeapFree(GetProcessHeap(), 0, This);
     }