1 files changed, 1 insertions, 1 deletions

diff --git a/meta/classes/base.bbclass b/meta/classes/base.bbclass
index f3185b420e..de81a7d687 100644
--- a/meta/classes/base.bbclass
+++ b/meta/classes/base.bbclass
@@ -226,7 +226,7 @@ base_do_configure() {
         if [ -n "${CONFIGURESTAMPFILE}" -a -e "${CONFIGURESTAMPFILE}" ]; then
                 if [ "`cat ${CONFIGURESTAMPFILE}`" != "${BB_TASKHASH}" ]; then
                         cd ${B}
-                        if [ "${CLEANBROKEN}" != "1" -a -e Makefile -o -e makefile -o -e GNUmakefile ]; then
+                        if [ "${CLEANBROKEN}" != "1" -a \( -e Makefile -o -e makefile -o -e GNUmakefile \) ]; then
                                 ${MAKE} clean
                         fi
                         find ${B} -name \*.la -delete