diff --git a/aquatic_ws_protocol/src/lib.rs b/aquatic_ws_protocol/src/lib.rs
index 62d6d58..f050730 100644
--- a/aquatic_ws_protocol/src/lib.rs
+++ b/aquatic_ws_protocol/src/lib.rs
@@ -232,10 +232,12 @@ pub enum ErrorResponseAction {
 
 #[derive(Debug, Clone, PartialEq, Eq, Serialize, Deserialize)]
 pub struct ErrorResponse {
+    #[serde(rename = "failure reason")]
     pub failure_reason: Cow<'static, str>,
     /// Action of original request
     #[serde(skip_serializing_if = "Option::is_none")]
     pub action: Option<ErrorResponseAction>,
+    // Should not be renamed
     #[serde(skip_serializing_if = "Option::is_none")]
     pub info_hash: Option<InfoHash>,
 }