diff --git a/crates/dav/src/error.rs b/crates/dav/src/error.rs
index 7f34dac..d80574b 100644
--- a/crates/dav/src/error.rs
+++ b/crates/dav/src/error.rs
@@ -7,14 +7,22 @@ use thiserror::Error;
 pub enum Error {
     #[error("Not found")]
     NotFound,
+
     #[error("Bad request: {0}")]
     BadRequest(String),
+
     #[error("Unauthorized")]
     Unauthorized,
+
     #[error("Internal server error :(")]
     InternalError,
+
+    #[error("prop {0} is read-only")]
+    PropReadOnly(String),
+
     #[error(transparent)]
     XmlDecodeError(#[from] quick_xml::DeError),
+
     #[error("Internal server error")]
     Other(#[from] anyhow::Error),
 }
@@ -28,6 +36,7 @@ impl actix_web::error::ResponseError for Error {
             Self::BadRequest(_) => StatusCode::BAD_REQUEST,
             Self::Unauthorized => StatusCode::UNAUTHORIZED,
             Self::XmlDecodeError(_) => StatusCode::BAD_REQUEST,
+            Error::PropReadOnly(_) => StatusCode::CONFLICT,
         }
     }