diff --git a/get-packages.sh b/get-packages.sh
index 81e65f0c7e4e81ca4694f55f447650a45fe4ba02..843f4be43b9cda19674bf6b8474b94644256a62a 100755
--- a/get-packages.sh
+++ b/get-packages.sh
@@ -27,7 +27,7 @@ function main()
 
 
 	cd $here_dir/third-party/grpc
-	if [[ ! -x third_party/protobuf/src/protoc ]]; then
+	if [[ ! -x third_party/protobuf/src/protoc ]] && [[ -x /usr/local/bin/protoc ]] ; then
 		if [[ ! -f Makefile ]]; then
 			cmake .
 		fi