diff --git a/src/plugins/platforms/xcb/qxcbclipboard.cpp b/src/plugins/platforms/xcb/qxcbclipboard.cpp
index d4a5200a04..e04f2c6665 100644
--- a/src/plugins/platforms/xcb/qxcbclipboard.cpp
+++ b/src/plugins/platforms/xcb/qxcbclipboard.cpp
@@ -417,7 +417,7 @@ xcb_window_t QXcbClipboard::requestor() const
                           XCB_WINDOW_CLASS_INPUT_OUTPUT,         // window class
                           platformScreen->screen()->root_visual, // visual
                           0,                                     // value mask
-                          nullptr);                                    // value list
+                          nullptr);                              // value list
 
         QXcbWindow::setWindowTitle(connection(), window,
                                    QStringLiteral("Qt Clipboard Requestor Window"));
diff --git a/src/plugins/platforms/xcb/qxcbconnection.cpp b/src/plugins/platforms/xcb/qxcbconnection.cpp
index 435c4aee93..4618bc9225 100644
--- a/src/plugins/platforms/xcb/qxcbconnection.cpp
+++ b/src/plugins/platforms/xcb/qxcbconnection.cpp
@@ -803,7 +803,7 @@ xcb_window_t QXcbConnection::getQtSelectionOwner()
                           XCB_WINDOW_CLASS_INPUT_OUTPUT,      // window class
                           xcbScreen->root_visual,             // visual
                           0,                                  // value mask
-                          nullptr);                                 // value list
+                          nullptr);                           // value list
 
         QXcbWindow::setWindowTitle(connection(), m_qtSelectionOwner,
                                    QLatin1String("Qt Selection Owner for ") + QCoreApplication::applicationName());
diff --git a/src/plugins/platforms/xcb/qxcbwindow.cpp b/src/plugins/platforms/xcb/qxcbwindow.cpp
index 162554cf3d..f437bec5fb 100644
--- a/src/plugins/platforms/xcb/qxcbwindow.cpp
+++ b/src/plugins/platforms/xcb/qxcbwindow.cpp
@@ -1190,7 +1190,7 @@ void QXcbWindow::updateNetWmUserTime(xcb_timestamp_t timestamp)
                               XCB_WINDOW_CLASS_INPUT_OUTPUT,   // window class
                               m_visualId,                      // visual
                               0,                               // value mask
-                              nullptr);                              // value list
+                              nullptr);                        // value list
             wid = m_netWmUserTimeWindow;
             xcb_change_property(xcb_connection(), XCB_PROP_MODE_REPLACE, m_window, atom(QXcbAtom::_NET_WM_USER_TIME_WINDOW),
                                 XCB_ATOM_WINDOW, 32, 1, &m_netWmUserTimeWindow);