diff --git a/reallog.go b/reallog.go
index d2b91e3..347db85 100644
--- a/reallog.go
+++ b/reallog.go
@@ -32,7 +32,7 @@ func realPrintln(a ...any) {
 		reallog.Println(a...)
 	}
 	if httpMode != nil {
-		s := "sf:" + fmt.Sprint(a...)
+		s := fmt.Sprint(a...)
 		fmt.Fprintln(httpMode, s)
 	}
 }