diff --git a/pkg.go b/pkg.go
index cf46dd3..6e91c46 100644
--- a/pkg.go
+++ b/pkg.go
@@ -52,10 +52,10 @@ func callback(wrapped Error) {
 func (wrapped Error) Error() string {
 	var code string
 	if wrapped.Code != "" {
-		code = wrapped.Code + " "
+		code = wrapped.Code + ":"
 	}
 	return fmt.Sprintf(
-		"%s[%s:%d] %s",
+		"[%s%s:%d] %s",
 		code,
 		wrapped.File,
 		wrapped.Line,