diff --git a/src/error.rs b/src/error.rs
index e50a2b2..4a9e932 100644
--- a/src/error.rs
+++ b/src/error.rs
@@ -249,7 +249,7 @@ impl fmt::Display for Error {
                 write!(fmt, "RegistryKey used from different Lua state")
             }
             Error::CallbackError { ref cause, ref traceback } => {
-                writeln!(fmt, "callback error")?;
+                writeln!(fmt, "{}", cause)?;
                 // Trace errors down to the root
                 let (mut cause, mut full_traceback) = (cause, None);
                 while let Error::CallbackError { cause: ref cause2, traceback: ref traceback2 } = **cause {
@@ -269,7 +269,9 @@ impl fmt::Display for Error {
                 } else {
                     writeln!(fmt, "{}", traceback.trim_end())?;
                 }
-                write!(fmt, "caused by: {}", cause)
+
+                Ok(())
+                // write!(fmt, "caused by: {}", cause)
             }
             Error::PreviouslyResumedPanic => {
                 write!(fmt, "previously resumed panic returned again")