diff --git a/src/c2se/backend/member.rs b/src/c2se/backend/member.rs
index a369c81..f4ac5e5 100644
--- a/src/c2se/backend/member.rs
+++ b/src/c2se/backend/member.rs
@@ -16,7 +16,7 @@ pub struct CreateMemberRequest {
     #[prost(string, tag="3")]
     pub member_level_id: ::prost::alloc::string::String,
     #[prost(string, optional, tag="4")]
-    pub referrer_member_id: ::core::option::Option<::prost::alloc::string::String>,
+    pub referrer_member_username: ::core::option::Option<::prost::alloc::string::String>,
     #[prost(string, tag="5")]
     pub username: ::prost::alloc::string::String,
     #[prost(string, tag="6")]
diff --git a/src/ss/member/member.rs b/src/ss/member/member.rs
index 18b5cef..adf87c0 100644
--- a/src/ss/member/member.rs
+++ b/src/ss/member/member.rs
@@ -19,7 +19,7 @@ pub struct CreateMemberRequest {
     #[prost(string, tag="4")]
     pub member_level_id: ::prost::alloc::string::String,
     #[prost(string, optional, tag="5")]
-    pub referrer_member_id: ::core::option::Option<::prost::alloc::string::String>,
+    pub referrer_member_username: ::core::option::Option<::prost::alloc::string::String>,
     #[prost(string, tag="6")]
     pub username: ::prost::alloc::string::String,
     #[prost(string, tag="7")]