diff --git a/meta-openembedded/meta-networking/classes/waf-samba.bbclass b/meta-openembedded/meta-networking/classes/waf-samba.bbclass
index 4190978..c8bf7ba 100644
--- a/meta-openembedded/meta-networking/classes/waf-samba.bbclass
+++ b/meta-openembedded/meta-networking/classes/waf-samba.bbclass
@@ -95,6 +95,7 @@
     export STAGING_LIBDIR=${STAGING_LIBDIR}
     export STAGING_INCDIR=${STAGING_INCDIR}
     export PYTHONPATH=${STAGING_DIR_HOST}${PYTHON_SITEPACKAGES_DIR}
+    export PYTHONARCHDIR=${PYTHON_SITEPACKAGES_DIR}
     export PYTHON_CONFIG=${STAGING_EXECPREFIXDIR}/python-target-config/python3-config
 
     CONFIG_CMD="./configure ${CONFIGUREOPTS} ${EXTRA_OECONF} --cross-compile"