diff --git a/src/corelib/Qt5CoreConfigExtras.cmake.in b/src/corelib/Qt5CoreConfigExtras.cmake.in
index 67598f4f70..5acc13c6f3 100644
--- a/src/corelib/Qt5CoreConfigExtras.cmake.in
+++ b/src/corelib/Qt5CoreConfigExtras.cmake.in
@@ -30,6 +30,9 @@ list(APPEND Qt5Core_COMPILE_DEFINITIONS QT_NAMESPACE=$$QT_NAMESPACE)
 set(QT_LIBINFIX \"$${QT_LIBINFIX}\")
 !!ENDIF
 
+set(QT_CONFIG \"$${CONFIG}\")
+set(QT_QCONFIG \"$${QT_CONFIG}\")
+
 !!IF !isEmpty(CMAKE_WINDOWS_BUILD)
 set(Qt5Core_QTMAIN_LIBRARIES Qt5::WinMain)