diff --git a/.gitattributes b/.gitattributes
new file mode 100644
index 00000000000..a6d3c4b500b
--- /dev/null
+++ b/.gitattributes
@@ -0,0 +1,2 @@
+**/codegen/** linguist-generated
+quickwit/quickwit-codegen/example/src/codegen/hello.rs linguist-generated
diff --git a/quickwit/quickwit-codegen/example/src/codegen/hello.rs b/quickwit/quickwit-codegen/example/src/codegen/hello.rs
index f217ea5606f..5f3c74639dd 100644
--- a/quickwit/quickwit-codegen/example/src/codegen/hello.rs
+++ b/quickwit/quickwit-codegen/example/src/codegen/hello.rs
@@ -3,6 +3,7 @@
 #[derive(Clone, PartialEq, ::prost::Message)]
 pub struct HelloRequest {
     #[prost(string, tag = "1")]
+    ewwerewr
     pub name: ::prost::alloc::string::String,
 }
 #[derive(serde::Serialize, serde::Deserialize, utoipa::ToSchema)]