diff --git a/router/src/lib.rs b/router/src/lib.rs
index c870f522..f6223859 100644
--- a/router/src/lib.rs
+++ b/router/src/lib.rs
@@ -442,7 +442,7 @@ pub struct CompletionRequest {
     pub stop: Option<Vec<String>>,
 }
 
-#[derive(Clone, Deserialize, Serialize, ToSchema)]
+#[derive(Clone, Deserialize, Serialize, ToSchema, Default)]
 pub(crate) struct Completion {
     pub id: String,
     #[schema(example = "1706270835")]