diff --git a/subr/pkg_install_rpm.subr b/subr/pkg_install_rpm.subr
index 691fe04..49cf6aa 100644
--- a/subr/pkg_install_rpm.subr
+++ b/subr/pkg_install_rpm.subr
@@ -47,7 +47,11 @@ cp -pPr "${PKG_DESTDIR}/." "\${RPM_BUILD_ROOT}"
 %changelog
 
 EOF
-		rpmbuild -bb --define="_topdir ${PREFIX_RPM}/${PKG_NAME}-${_pkg_version_rpm}" --nodeps "${PKG_BASE_DIR}/${PKG_NAME}-${_pkg_version_rpm}.spec";
+		rpmbuild									\
+			-bb									\
+			--define="_tmppath ${BUILD_WORKDIR}"					\
+			--define="_topdir ${PREFIX_RPM}/${PKG_NAME}-${_pkg_version_rpm}"	\
+			--nodeps "${PKG_BASE_DIR}/${PKG_NAME}-${_pkg_version_rpm}.spec";
 		find "${PREFIX_RPM}/${PKG_NAME}-${_pkg_version_rpm}/RPMS" -iname \*.rpm -exec cp -pP {} "${PREFIX_RPM}/" \;;
 		ex_rtl_fileop rm "${PREFIX_RPM}/${PKG_NAME}-${_pkg_version_rpm}";
 		ex_rtl_fileop cp "${PKG_BASE_DIR}/${PKG_NAME}-${_pkg_version_rpm}.spec" "${PREFIX_RPM}/";