diff --git a/userspace/falco/falco_output.proto b/userspace/falco/falco_output.proto
index 3464ec43..7045b7cf 100644
--- a/userspace/falco/falco_output.proto
+++ b/userspace/falco/falco_output.proto
@@ -2,6 +2,7 @@ syntax = "proto3";
 
 import "google/protobuf/timestamp.proto";
 
+package falco.output;
 
 service service {
   rpc subscribe(request) returns (stream response);