4 files changed, 18 insertions, 3 deletions
diff --git a/src/widgets/styles/qcommonstyle.cpp b/src/widgets/styles/qcommonstyle.cpp
index 9c7f4682bc5..1f026775435 100644
--- a/src/widgets/styles/qcommonstyle.cpp
+++ b/src/widgets/styles/qcommonstyle.cpp
@@ -1200,7 +1200,7 @@ void QCommonStylePrivate::tabLayout(const QStyleOptionTab *opt, const QWidget *w
     int vpadding = proxyStyle->pixelMetric(QStyle::PM_TabBarTabVSpace, opt, widget) / 2;
     if (opt->shape == QTabBar::RoundedSouth || opt->shape == QTabBar::TriangularSouth)
         verticalShift = -verticalShift;
-    tr.adjust(hpadding, verticalShift - vpadding, horizontalShift - hpadding, vpadding);
+    tr.adjust(hpadding, verticalShift + vpadding, horizontalShift - hpadding, -vpadding);
     bool selected = opt->state & QStyle::State_Selected;
     if (selected) {
         tr.setTop(tr.top() - verticalShift);
diff --git a/tests/auto/testlib/CMakeLists.txt b/tests/auto/testlib/CMakeLists.txt
index 35a26a8e345..0829d71f187 100644
--- a/tests/auto/testlib/CMakeLists.txt
+++ b/tests/auto/testlib/CMakeLists.txt
@@ -1,6 +1,7 @@
 # Copyright (C) 2022 The Qt Company Ltd.
 # SPDX-License-Identifier: BSD-3-Clause
 
+add_subdirectory(initmain)
 add_subdirectory(qsignalspy)
 add_subdirectory(tostring)
 
diff --git a/tests/auto/testlib/initmain/CMakeLists.txt b/tests/auto/testlib/initmain/CMakeLists.txt
new file mode 100644
index 00000000000..6dfdc8965f0
--- /dev/null
+++ b/tests/auto/testlib/initmain/CMakeLists.txt
@@ -0,0 +1,13 @@
+# Copyright (C) 2025 The Qt Company Ltd.
+# SPDX-License-Identifier: BSD-3-Clause
+
+if(NOT QT_BUILD_STANDALONE_TESTS AND NOT QT_BUILDING_QT)
+    cmake_minimum_required(VERSION 3.16)
+    project(tst_qsignalspy LANGUAGES CXX)
+    find_package(Qt6BuildInternals REQUIRED COMPONENTS STANDALONE_TEST)
+endif()
+
+qt_internal_add_test(tst_initmain
+    SOURCES
+        tst_initmain.cpp
+)
diff --git a/tests/auto/testlib/initmain/tst_initmain.cpp b/tests/auto/testlib/initmain/tst_initmain.cpp
index cdaac0c14f4..cf1a0880035 100644
--- a/tests/auto/testlib/initmain/tst_initmain.cpp
+++ b/tests/auto/testlib/initmain/tst_initmain.cpp
@@ -3,6 +3,7 @@
 
 
 #include <QtCore/QCoreApplication>
+#include <QtCore/qxptype_traits.h>
 #include <QTest>
 
 class tst_InitMain : public QObject
@@ -19,8 +20,8 @@ private:
     static bool m_initMainCalled;
 };
 
-static_assert(QTest::Internals::HasInitMain<tst_InitMain>::value);
-static_assert(!QTest::Internals::HasInitMain<QObject>::value);
+static_assert(QTest::Internal::hasInitMain<tst_InitMain>);
+static_assert(!QTest::Internal::hasInitMain<QObject>);
 
 bool tst_InitMain::m_initMainCalled = false;