diff --git a/src/info/response_structs.rs b/src/info/response_structs.rs
index c206414..43091da 100644
--- a/src/info/response_structs.rs
+++ b/src/info/response_structs.rs
@@ -53,6 +53,7 @@ pub struct UserFillsResponse {
     pub start_position: String,
     pub sz: String,
     pub time: u64,
+    pub fee: f64,
 }
 
 #[derive(serde::Deserialize, Debug)]