diff --git a/cmake/QtModuleHelpers.cmake b/cmake/QtModuleHelpers.cmake
index 2c193aae05..0e61ecf37f 100644
--- a/cmake/QtModuleHelpers.cmake
+++ b/cmake/QtModuleHelpers.cmake
@@ -755,7 +755,7 @@ set(QT_LIBINFIX \"${QT_LIBINFIX}\")")
         if (NOT target_type STREQUAL "INTERFACE_LIBRARY")
             set(args "")
             if(QT_WILL_INSTALL)
-                set(metatypes_install_dir "${INSTALL_LIBDIR}/metatypes")
+                set(metatypes_install_dir "${INSTALL_ARCHDATADIR}/metatypes")
                 list(APPEND args
                     __QT_INTERNAL_INSTALL __QT_INTERNAL_INSTALL_DIR "${metatypes_install_dir}")
             endif()
diff --git a/mkspecs/features/metatypes.prf b/mkspecs/features/metatypes.prf
index c1f16fe3ab..d23b299403 100644
--- a/mkspecs/features/metatypes.prf
+++ b/mkspecs/features/metatypes.prf
@@ -46,7 +46,7 @@ moc_collect_json.name = Collect moc JSON output into central file
 
 install_metatypes {
     do_install_metatypes.CONFIG += no_check_exist
-    do_install_metatypes.path = $$[QT_INSTALL_LIBS]/metatypes
+    do_install_metatypes.path = $$[QT_INSTALL_ARCHDATA]/metatypes
     do_install_metatypes.files = $$OUT_PWD/$$MOC_COLLECT_JSON_OUTPUT
     prefix_build {
         load(qt_build_paths)
diff --git a/src/corelib/CMakeLists.txt b/src/corelib/CMakeLists.txt
index 9d7e1ecbdd..e8be8fab98 100644
--- a/src/corelib/CMakeLists.txt
+++ b/src/corelib/CMakeLists.txt
@@ -376,7 +376,7 @@ set_source_files_properties(${qobject_moc_files} PROPERTIES HEADER_FILE_ONLY ON)
 set(core_metatype_args MANUAL_MOC_JSON_FILES ${core_qobject_metatypes_json_list})
 
 if(QT_WILL_INSTALL)
-    set(metatypes_install_dir ${INSTALL_LIBDIR}/metatypes)
+    set(metatypes_install_dir ${INSTALL_ARCHDATADIR}/metatypes)
     list(APPEND core_metatype_args
         __QT_INTERNAL_INSTALL __QT_INTERNAL_INSTALL_DIR "${metatypes_install_dir}")
 endif()
diff --git a/src/corelib/Qt6CoreMacros.cmake b/src/corelib/Qt6CoreMacros.cmake
index 19a75917a4..baf8fcb578 100644
--- a/src/corelib/Qt6CoreMacros.cmake
+++ b/src/corelib/Qt6CoreMacros.cmake
@@ -900,7 +900,7 @@ function(qt6_extract_metatypes target)
         # TODO: Move this into a separate internal function, so it doesn't pollute the public one.
         # Location where to install the metatypes file. Only used if
         # __QT_INTERNAL_INSTALL is given. It defaults to the
-        # ${CMAKE_INSTALL_PREFIX}/${INSTALL_LIBDIR}/metatypes directory.
+        # ${CMAKE_INSTALL_PREFIX}/${INSTALL_ARCHDATADIR}/metatypes directory.
         # Executable metatypes files are never installed.
         __QT_INTERNAL_INSTALL_DIR
 
@@ -1140,10 +1140,11 @@ function(qt6_extract_metatypes target)
 
     # Automatically fill default install args when not specified.
     if(NOT arg___QT_INTERNAL_INSTALL_DIR)
-        # INSTALL_LIBDIR is not set when QtBuildInternals is not loaded (when not doing a Qt build).
-        # Default to a hardcoded location for user projects.
-        if(INSTALL_LIBDIR)
-            set(install_dir "${INSTALL_LIBDIR}/metatypes")
+        # INSTALL_ARCHDATADIR is not set when QtBuildInternals is not loaded
+        # (when not doing a Qt build). Default to a hardcoded location for user
+        # projects (will likely be wrong).
+        if(INSTALL_ARCHDATADIR)
+            set(install_dir "${INSTALL_ARCHDATADIR}/metatypes")
         else()
             set(install_dir "lib/metatypes")
         endif()