diff --git a/build/build.sh b/build/build.sh
index 461e4e1..1bf27e6 100755
--- a/build/build.sh
+++ b/build/build.sh
@@ -4,6 +4,10 @@ echo "starting ..."
 
 #rm -f ../pkg/rpc/pb/*.pb.go
 protoc --go_out=../pkg/rpc --proto_path=../pkg/rpc/protos  ../pkg/rpc/protos/*.proto
+RESULT=$?
+if [ "${RESULT}" != "0" ]; then
+	exit
+fi
 
 protoc --go-grpc_out=../pkg/rpc --go-grpc_opt=require_unimplemented_servers=false --proto_path=../pkg/rpc/protos  ../pkg/rpc/protos/*.proto
 RESULT=$?