diff --git a/python/python3-atpublic/python3-atpublic.SlackBuild b/python/python3-atpublic/python3-atpublic.SlackBuild
index 6e808f5c4c..481448555d 100644
--- a/python/python3-atpublic/python3-atpublic.SlackBuild
+++ b/python/python3-atpublic/python3-atpublic.SlackBuild
@@ -59,6 +59,9 @@ cd $SRCNAM-$VERSION
 chown -R root:root .
 find -L .  \( -perm 777 -o -perm 775 -o -perm 750 -o -perm 711 -o -perm 555   -o -perm 511 \) -exec chmod 755 {} \; -o  \( -perm 666 -o -perm 664 -o -perm 640 -o -perm 600 -o -perm 444   -o -perm 440 -o -perm 400 \) -exec chmod 644 {} \;
 
+PYVER=$(python3 -c 'import sys; print("%d.%d" % sys.version_info[:2])')
+export PYTHONPATH=/opt/python$PYVER/site-packages
+
 python3 -m build --no-isolation
 python3 -m installer -d "$PKG" dist/*.whl