diff --git a/src/widgets/styles/qcommonstyle.cpp b/src/widgets/styles/qcommonstyle.cpp
index 28cba4d98cf..907dbb7f530 100644
--- a/src/widgets/styles/qcommonstyle.cpp
+++ b/src/widgets/styles/qcommonstyle.cpp
@@ -2171,7 +2171,7 @@ void QCommonStyle::drawControl(ControlElement element, const QStyleOption *opt,
 
                 const int indent = p->fontMetrics().descent();
                 proxy()->drawItemText(p, r.adjusted(indent + 1, 1, -indent - 1, -1),
-                              Qt::AlignLeft | Qt::AlignVCenter, dwOpt->palette,
+                              Qt::AlignLeft | Qt::AlignVCenter | Qt::TextHideMnemonic, dwOpt->palette,
                               dwOpt->state & State_Enabled, dwOpt->title,
                               QPalette::WindowText);
 
diff --git a/src/widgets/styles/qfusionstyle.cpp b/src/widgets/styles/qfusionstyle.cpp
index c0924e22e94..0015752af37 100644
--- a/src/widgets/styles/qfusionstyle.cpp
+++ b/src/widgets/styles/qfusionstyle.cpp
@@ -1224,7 +1224,7 @@ void QFusionStyle::drawControl(ControlElement element, const QStyleOption *optio
                                                             Qt::ElideRight, titleRect.width());
                 proxy()->drawItemText(painter,
                                       titleRect,
-                                      Qt::AlignLeft | Qt::AlignVCenter, dwOpt->palette,
+                                      Qt::AlignLeft | Qt::AlignVCenter | Qt::TextHideMnemonic, dwOpt->palette,
                                       dwOpt->state & State_Enabled, titleText,
                                       QPalette::WindowText);
             }
diff --git a/src/widgets/styles/qwindowsstyle.cpp b/src/widgets/styles/qwindowsstyle.cpp
index fd1f8e1c178..9c1ad0d4045 100644
--- a/src/widgets/styles/qwindowsstyle.cpp
+++ b/src/widgets/styles/qwindowsstyle.cpp
@@ -1787,7 +1787,7 @@ void QWindowsStyle::drawControl(ControlElement ce, const QStyleOption *opt, QPai
                                     titleRect.height(), titleRect.width());
                 }
                 proxy()->drawItemText(p, titleRect,
-                            Qt::AlignLeft | Qt::AlignVCenter, palette,
+                            Qt::AlignLeft | Qt::AlignVCenter | Qt::TextHideMnemonic, palette,
                             dwOpt->state & State_Enabled, dwOpt->title,
                             floating ? (active ? QPalette::BrightText : QPalette::Window) : QPalette::WindowText);
                 p->setFont(oldFont);