--- qtbase-everywhere-src-5.15.5/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp.orig	2022-07-24 16:08:17.709726374 +0200
+++ qtbase-everywhere-src-5.15.5/src/plugins/platforms/xcb/qxcbconnection_xi2.cpp	2022-07-24 16:20:08.593532108 +0200
@@ -827,6 +827,7 @@
                 | XCB_INPUT_XI_EVENT_MASK_TOUCH_BEGIN
                 | XCB_INPUT_XI_EVENT_MASK_TOUCH_UPDATE
                 | XCB_INPUT_XI_EVENT_MASK_TOUCH_END;
+        mask = qToLittleEndian(mask);
 
         for (int id : qAsConst(m_xiMasterPointerIds)) {
             xcb_generic_error_t *error = nullptr;