diff --git a/grpc/scripts/gen.bat b/grpc/scripts/gen.bat
index bf9046f..1c2e3ec 100644
--- a/grpc/scripts/gen.bat
+++ b/grpc/scripts/gen.bat
@@ -18,7 +18,7 @@ for %%A in (%*) do (
     set out=%gen%\go
     if not exist !out! mkdir !out!
     echo Generating Go code
-    !exec! --go-grpc_out=!out! --govalidators_out=!out! %pbs%
+    !exec! --go_out=!out! --go-grpc_out=!out! --govalidators_out=!out! %pbs%
   )
   if "%%A"=="gohttp" (
     set plugin=protoc-gen-grpc-gateway
diff --git a/grpc/scripts/gen.sh b/grpc/scripts/gen.sh
index 9925e19..46e6954 100755
--- a/grpc/scripts/gen.sh
+++ b/grpc/scripts/gen.sh
@@ -46,7 +46,7 @@ do
             mkdir -p $out
         fi
         echo "Generating Go code"
-        $exec --go-grpc_out=$out --govalidators_out=$out $pb_files $async_tag
+        $exec --go_out=$out --go-grpc_out=$out --govalidators_out=$out $pb_files $async_tag
     fi
     if [ $aug == "gohttp" ]; then
         plugin=protoc-gen-grpc-gateway