diff --git a/recipes-python/pyside6/python3-pyside6.inc b/recipes-python/pyside6/python3-pyside6.inc
index 22d6720..66863e0 100644
--- a/recipes-python/pyside6/python3-pyside6.inc
+++ b/recipes-python/pyside6/python3-pyside6.inc
@@ -27,6 +27,7 @@ FILESEXTRAPATHS:prepend := "${THISDIR}/pyside6:"
 EXTRA_OECMAKE += "\
     -DBUILD_TESTS=FALSE \
     -DQFP_PYTHON_SITE_PACKAGES=${PYTHON_SITEPACKAGES_DIR} \
+    -Dis_pyside6_superproject_build=ON \
 "
 EXTRA_OECMAKE:append:class-target = " -DQFP_SHIBOKEN_HOST_PATH=${STAGING_EXECPREFIXDIR} -DQFP_PYTHON_HOST_PATH=${PYTHON}"