diff --git a/simplelog.go b/simplelog.go
index b470de2..4d9f449 100644
--- a/simplelog.go
+++ b/simplelog.go
@@ -125,9 +125,9 @@ func (e extendedEvent) GetLine() int {
 	return e.Line
 }
 
-func NewExtendedEvent(level, message string, data json.RawMessage, file string, line int) ExtendedEvent {
+func NewExtendedEvent(baseEvent Event, file string, line int) ExtendedEvent {
 	return extendedEvent{
-		Event: NewEvent(level, message, data),
+		Event: baseEvent,
 		File:  file,
 		Line:  line,
 	}