diff --git a/reactos/subsystems/win32/win32k/ntuser/focus.c b/reactos/subsystems/win32/win32k/ntuser/focus.c
index c4c302b53be..655bc2a4ea8 100644
--- a/reactos/subsystems/win32/win32k/ntuser/focus.c
+++ b/reactos/subsystems/win32/win32k/ntuser/focus.c
@@ -108,7 +108,8 @@ co_IntSendActivateMessages(HWND hWndPrev, HWND hWnd, BOOL MouseActivate)
 
          if (OldTID != NewTID)
          {
-            if ((List = IntWinListChildren(UserGetWindowObject(IntGetDesktopWindow()))))
+            List = IntWinListChildren(UserGetWindowObject(IntGetDesktopWindow()));
+            if (List)
             {
                for (phWnd = List; *phWnd; ++phWnd)
                {