diff --git a/slog.go b/slog.go
index be2179f..59238c8 100644
--- a/slog.go
+++ b/slog.go
@@ -11,7 +11,7 @@ import (
 type SLogFormatFct func(level SLogLevel, verbose bool, timeformat string, format string, a ...interface{}) string
 
 func defaultSLogFormatFct(level SLogLevel, verbose bool, timeformat string, format string, a ...interface{}) string {
-	msg := fmt.Sprintf("[%s] - ", SLogLevelToString(level))
+	msg := fmt.Sprintf("%s - ", SLogLevelToString(level))
 	if timeformat != "" {
 		t := time.Now()
 		msg = fmt.Sprintf("%s - %s", t.Format(timeformat), msg)