diff --git a/tests/auto/corelib/text/qlocale/tst_qlocale.cpp b/tests/auto/corelib/text/qlocale/tst_qlocale.cpp
index bf2b9c210a..25a5f416b2 100644
--- a/tests/auto/corelib/text/qlocale/tst_qlocale.cpp
+++ b/tests/auto/corelib/text/qlocale/tst_qlocale.cpp
@@ -1,6 +1,6 @@
 /****************************************************************************
 **
-** Copyright (C) 2021 The Qt Company Ltd.
+** Copyright (C) 2022 The Qt Company Ltd.
 ** Contact: https://www.qt.io/licensing/
 **
 ** This file is part of the test suite of the Qt Toolkit.
@@ -1434,19 +1434,18 @@ void tst_QLocale::testInfAndNan()
 
 void tst_QLocale::fpExceptions()
 {
-#ifndef _MCW_EM
-#define _MCW_EM 0x0008001F
-#endif
-#ifndef _EM_INEXACT
-#define _EM_INEXACT 0x00000001
-#endif
-
-    // check that double-to-string conversion doesn't throw floating point exceptions when they are
-    // enabled
+    // Check that double-to-string conversion doesn't throw floating point
+    // exceptions when they are enabled.
 #ifdef Q_OS_WIN
-    _clear87();
-    unsigned int oldbits = _control87(0, 0);
-    _control87( 0 | _EM_INEXACT, _MCW_EM );
+#  ifndef _MCW_EM
+#    define _MCW_EM 0x0008001F
+#  endif
+#  ifndef _EM_INEXACT
+#    define _EM_INEXACT 0x00000001
+#  endif
+    _clearfp();
+    unsigned int oldbits = _controlfp(0, 0);
+    _controlfp( 0 | _EM_INEXACT, _MCW_EM );
 #endif
 
 #ifdef QT_USE_FENV
@@ -1463,8 +1462,8 @@ void tst_QLocale::fpExceptions()
     QVERIFY(true);
 
 #ifdef Q_OS_WIN
-    _clear87();
-    _control87(oldbits, 0xFFFFF);
+    _clearfp();
+    _controlfp(oldbits, 0xFFFFF);
 #endif
 
 #ifdef QT_USE_FENV