diff --git a/cmake/QtProcessConfigureArgs.cmake b/cmake/QtProcessConfigureArgs.cmake
index 3444da9fcd9..b4fc1792c5c 100644
--- a/cmake/QtProcessConfigureArgs.cmake
+++ b/cmake/QtProcessConfigureArgs.cmake
@@ -553,6 +553,7 @@ if(NOT "${INPUT_device}" STREQUAL "")
 endif()
 translate_string_input(platform QT_QMAKE_TARGET_MKSPEC)
 translate_string_input(xplatform QT_QMAKE_TARGET_MKSPEC)
+translate_string_input(qpa_default_platform QT_QPA_DEFAULT_PLATFORM)
 
 drop_input(make)
 drop_input(nomake)
diff --git a/cmake/configure-cmake-mapping.md b/cmake/configure-cmake-mapping.md
index ba4dcb2dc09..6e4b2c45495 100644
--- a/cmake/configure-cmake-mapping.md
+++ b/cmake/configure-cmake-mapping.md
@@ -138,7 +138,7 @@ The effort of this is tracked in QTBUG-85373 and QTBUG-85349.
 | -opengl <api>                         |                                                   |                                                                 |
 | -opengles3                            |                                                   |                                                                 |
 | -egl                                  |                                                   |                                                                 |
-| -qpa <name>                           |                                                   |                                                                 |
+| -qpa <name>                           | -DQT_QPA_DEFAULT_PLATFORM=<name>                  |                                                                 |
 | -xcb-xlib                             | -DFEATURE_xcb_xlib=ON                             |                                                                 |
 | -direct2d                             | -DFEATURE_direct2d=ON                             |                                                                 |
 | -directfb                             | -DFEATURE_directfb=ON                             |                                                                 |