diff --git a/src/widgets/widgets/qlineedit_p.cpp b/src/widgets/widgets/qlineedit_p.cpp
index 89fc66d1231..e5499dbb3fb 100644
--- a/src/widgets/widgets/qlineedit_p.cpp
+++ b/src/widgets/widgets/qlineedit_p.cpp
@@ -406,8 +406,9 @@ void QLineEditIconButton::setHideWithText(bool hide)
 
 void QLineEditIconButton::onAnimationFinished()
 {
-    if (shouldHideWithText() && isVisible() && !m_wasHidden) {
+    if (shouldHideWithText() && isVisible() && m_fadingOut) {
         hide();
+        m_fadingOut = false;
 
         // Invalidate previous geometry to take into account new size of side widgets
         if (auto le = lineEditPrivate())
@@ -417,7 +418,7 @@ void QLineEditIconButton::onAnimationFinished()
 
 void QLineEditIconButton::animateShow(bool visible)
 {
-    m_wasHidden = visible;
+    m_fadingOut = !visible;
 
     if (shouldHideWithText() && !isVisible()) {
         show();
diff --git a/src/widgets/widgets/qlineedit_p.h b/src/widgets/widgets/qlineedit_p.h
index c03265e3f93..1ffb46cdb49 100644
--- a/src/widgets/widgets/qlineedit_p.h
+++ b/src/widgets/widgets/qlineedit_p.h
@@ -95,8 +95,11 @@ public:
 
     bool shouldHideWithText() const;
     void setHideWithText(bool hide);
-    // m_wasHidden is true unless the button is fading out
-    bool needsSpace() const { return m_wasHidden; }
+    bool needsSpace() const {
+        if (m_fadingOut)
+            return false;
+        return isVisibleTo(parentWidget());
+    }
 #endif
 
 protected:
@@ -120,7 +123,7 @@ private:
 
 #if QT_CONFIG(animation)
     bool m_hideWithText = false;
-    bool m_wasHidden = false;
+    bool m_fadingOut = false;
 #endif
 
 };
diff --git a/tests/auto/widgets/widgets/qlineedit/tst_qlineedit.cpp b/tests/auto/widgets/widgets/qlineedit/tst_qlineedit.cpp
index 8668dfb8e22..9435f15eadc 100644
--- a/tests/auto/widgets/widgets/qlineedit/tst_qlineedit.cpp
+++ b/tests/auto/widgets/widgets/qlineedit/tst_qlineedit.cpp
@@ -301,6 +301,7 @@ private slots:
     void clearButtonVisibleAfterSettingText_QTBUG_45518();
     void sideWidgets();
     void sideWidgetsActionEvents();
+    void sideWidgetsEffectiveMargins();
 
     void shouldShowPlaceholderText_data();
     void shouldShowPlaceholderText();
@@ -4737,6 +4738,71 @@ void tst_QLineEdit::sideWidgetsActionEvents()
     QCOMPARE(toolButton2->x(), toolButton1X);
 }
 
+/*!
+    Verify that side widgets are positioned correctly and result in
+    correct effective text margins.
+*/
+void tst_QLineEdit::sideWidgetsEffectiveMargins()
+{
+#ifndef QT_BUILD_INTERNAL
+    QSKIP("This test requires a developer build.");
+#else
+    QLineEdit edit;
+    edit.setPlaceholderText("placeholder");
+    edit.setClearButtonEnabled(true);
+    edit.show();
+    QLineEditPrivate *priv = QLineEditPrivate::get(&edit);
+    const auto sideWidgetParameters = priv->sideWidgetParameters();
+    const int sideWidgetWidth = sideWidgetParameters.widgetWidth + sideWidgetParameters.margin;
+    QVERIFY(QTest::qWaitForWindowExposed(&edit));
+
+    QCOMPARE(priv->effectiveTextMargins().left(), 0);
+    QCOMPARE(priv->effectiveTextMargins().right(), 0);
+
+    edit.setText("Left to right"); // clear button fades in on the right
+    QCOMPARE(priv->effectiveTextMargins().left(), 0);
+    QCOMPARE(priv->effectiveTextMargins().right(), sideWidgetWidth);
+    edit.clear();
+    QCOMPARE(priv->effectiveTextMargins().left(), 0);
+    QCOMPARE(priv->effectiveTextMargins().right(), 0);
+
+    edit.setLayoutDirection(Qt::RightToLeft);
+    edit.setText("ئۇيغۇر تىلى"); // clear button fades in on the left
+    QCOMPARE(priv->effectiveTextMargins().left(), sideWidgetWidth);
+    QCOMPARE(priv->effectiveTextMargins().right(), 0);
+    edit.clear();
+    QCOMPARE(priv->effectiveTextMargins().left(), 0);
+    QCOMPARE(priv->effectiveTextMargins().right(), 0);
+
+    edit.setLayoutDirection(Qt::LeftToRight);
+
+    const QIcon leftIcon = edit.style()->standardIcon(QStyle::SP_FileIcon);
+    const QIcon rightIcon = edit.style()->standardIcon(QStyle::SP_DirIcon);
+    edit.addAction(leftIcon, QLineEdit::ActionPosition::LeadingPosition);
+    QCOMPARE(priv->effectiveTextMargins().left(), sideWidgetWidth);
+    QCOMPARE(priv->effectiveTextMargins().right(), 0);
+
+    edit.addAction(rightIcon, QLineEdit::ActionPosition::TrailingPosition);
+    QCOMPARE(priv->effectiveTextMargins().left(), sideWidgetWidth);
+    QCOMPARE(priv->effectiveTextMargins().right(), sideWidgetWidth);
+
+    edit.setText("Left to right"); // clear button on the right
+    QCOMPARE(priv->effectiveTextMargins().left(), sideWidgetWidth);
+    QCOMPARE(priv->effectiveTextMargins().right(), 2 * sideWidgetWidth);
+    edit.clear();
+    QCOMPARE(priv->effectiveTextMargins().left(), sideWidgetWidth);
+    QCOMPARE(priv->effectiveTextMargins().right(), sideWidgetWidth);
+
+    edit.setLayoutDirection(Qt::RightToLeft);
+    edit.setText("ئۇيغۇر تىلى"); // clear button fades in on the left
+    QCOMPARE(priv->effectiveTextMargins().left(), 2 * sideWidgetWidth);
+    QCOMPARE(priv->effectiveTextMargins().right(), sideWidgetWidth);
+    edit.clear();
+    QCOMPARE(priv->effectiveTextMargins().left(), sideWidgetWidth);
+    QCOMPARE(priv->effectiveTextMargins().right(), sideWidgetWidth);
+#endif
+}
+
 Q_DECLARE_METATYPE(Qt::AlignmentFlag)
 void tst_QLineEdit::shouldShowPlaceholderText_data()
 {