diff --git a/internal/debug/flags.go b/internal/debug/flags.go
index a7c87a930a..cc507685ad 100644
--- a/internal/debug/flags.go
+++ b/internal/debug/flags.go
@@ -234,9 +234,9 @@ func Setup(ctx *cli.Context) error {
 	case ctx.Bool(logjsonFlag.Name):
 		// Retain backwards compatibility with `--log.json` flag if `--log.format` not set
 		defer log.Warn("The flag '--log.json' is deprecated, please use '--log.format=json' instead")
-		handler = slog.NewJSONHandler(output, nil)
+		handler = log.JSONHandler(output)
 	case logFmtFlag == "json":
-		handler = slog.NewJSONHandler(output, nil)
+		handler = log.JSONHandler(output)
 	case logFmtFlag == "logfmt":
 		handler = log.LogfmtHandler(output)
 	case logFmtFlag == "", logFmtFlag == "terminal":
diff --git a/log/handler.go b/log/handler.go
index 5249201ee8..f43df0392b 100644
--- a/log/handler.go
+++ b/log/handler.go
@@ -169,7 +169,7 @@ func (l *leveler) Level() slog.Level {
 	return l.minLevel
 }
 
-func JsonHandler(wr io.Writer) slog.Handler {
+func JSONHandler(wr io.Writer) slog.Handler {
 	return slog.NewJSONHandler(wr, &slog.HandlerOptions{
 		ReplaceAttr: builtinReplace,
 	})