diff --git a/crates/client/src/client.rs b/crates/client/src/client.rs
index 538b0fa4b0101be73c64d366faf09238e5d8da16..0e9ec4076ad43754a53e11f833935c9b807f025c 100644
--- a/crates/client/src/client.rs
+++ b/crates/client/src/client.rs
@@ -549,7 +549,7 @@ impl Client {
                 client.respond_with_error(
                     receipt,
                     proto::Error {
-                        message: error.to_string(),
+                        message: format!("{:?}", error),
                     },
                 )?;
                 Err(error)