diff --git a/swapserverrpc/gen_protos.sh b/swapserverrpc/gen_protos.sh
index 0ce3a8f..715844c 100755
--- a/swapserverrpc/gen_protos.sh
+++ b/swapserverrpc/gen_protos.sh
@@ -9,6 +9,7 @@ function generate() {
   do
     protoc -I/usr/local/include -I. -I.. \
       --go_out . --go_opt paths=source_relative \
+      --go-grpc_out . --go-grpc_opt paths=source_relative \
       "${file}"
   done
 }