diff --git a/sys-apps/portage/portage-3.0.41.ebuild b/sys-apps/portage/portage-3.0.41.ebuild
index 432429097eab3..bf69edc241ee0 100644
--- a/sys-apps/portage/portage-3.0.41.ebuild
+++ b/sys-apps/portage/portage-3.0.41.ebuild
@@ -160,7 +160,7 @@ python_prepare_all() {
 	fi
 
 	cd "${S}/cnf" || die
-	if [ -f "make.conf.example.${ARCH}".diff ]; then
+	if [[ -f "make.conf.example.${ARCH}".diff ]] ; then
 		patch make.conf.example "make.conf.example.${ARCH}".diff || \
 			die "Failed to patch make.conf.example"
 	else
diff --git a/sys-apps/portage/portage-9999.ebuild b/sys-apps/portage/portage-9999.ebuild
index 9d56bb80d781d..5cb014dee2337 100644
--- a/sys-apps/portage/portage-9999.ebuild
+++ b/sys-apps/portage/portage-9999.ebuild
@@ -155,7 +155,7 @@ python_prepare_all() {
 	fi
 
 	cd "${S}/cnf" || die
-	if [ -f "make.conf.example.${ARCH}".diff ]; then
+	if [[ -f "make.conf.example.${ARCH}".diff ]] ; then
 		patch make.conf.example "make.conf.example.${ARCH}".diff || \
 			die "Failed to patch make.conf.example"
 	else