diff --git a/cmd/stfs/cmd/serve_ftp.go b/cmd/stfs/cmd/serve_ftp.go
index ceecba7..cedab94 100644
--- a/cmd/stfs/cmd/serve_ftp.go
+++ b/cmd/stfs/cmd/serve_ftp.go
@@ -126,7 +126,7 @@ var serveFTPCmd = &cobra.Command{
 			return err
 		}
 
-		jsonLogger := logging.NewJSONLogger()
+		jsonLogger := logging.NewJSONLogger(4)
 
 		readOps := operations.NewOperations(
 			config.BackendConfig{
@@ -210,7 +210,7 @@ var serveFTPCmd = &cobra.Command{
 			true, // FTP needs read permission for `STOR` command even if O_WRONLY is set
 
 			func(hdr *models.Header) {
-				jsonLogger.Debug("Header transform", hdr)
+				jsonLogger.Trace("Header transform", hdr)
 			},
 			jsonLogger,
 		)
diff --git a/cmd/stfs/cmd/serve_http.go b/cmd/stfs/cmd/serve_http.go
index b6283d1..27464de 100644
--- a/cmd/stfs/cmd/serve_http.go
+++ b/cmd/stfs/cmd/serve_http.go
@@ -85,7 +85,7 @@ var serveHTTPCmd = &cobra.Command{
 			return err
 		}
 
-		jsonLogger := logging.NewJSONLogger()
+		jsonLogger := logging.NewJSONLogger(4)
 
 		readOps := operations.NewOperations(
 			config.BackendConfig{
@@ -132,7 +132,7 @@ var serveHTTPCmd = &cobra.Command{
 			false, // We never write
 
 			func(hdr *models.Header) {
-				jsonLogger.Debug("Header transform", hdr)
+				jsonLogger.Trace("Header transform", hdr)
 			},
 			jsonLogger,
 		)
diff --git a/internal/logging/json.go b/internal/logging/json.go
index 898ef54..9c3ce17 100644
--- a/internal/logging/json.go
+++ b/internal/logging/json.go
@@ -24,33 +24,47 @@ func printJSON(level string, event string, keyvals interface{}) {
 		Data:  keyvals,
 	}) // We are ignoring JSON marshalling erorrs
 
-	fmt.Fprintln(os.Stderr, string(line))
+	_, _ = fmt.Fprintln(os.Stderr, string(line)) // We are ignoring printing errors in line wih the stdlib
 }
 
-type JSONLogger struct{}
+type JSONLogger struct {
+	verbosity int
+}
 
-func NewJSONLogger() *JSONLogger {
-	return &JSONLogger{}
+func NewJSONLogger(verbosity int) *JSONLogger {
+	return &JSONLogger{
+		verbosity: verbosity,
+	}
 }
 
 func (l JSONLogger) Trace(event string, keyvals ...interface{}) {
-	printJSON("TRACE", event, keyvals)
+	if l.verbosity >= 4 {
+		printJSON("TRACE", event, keyvals)
+	}
 }
 
 func (l JSONLogger) Debug(event string, keyvals ...interface{}) {
-	printJSON("DEBUG", event, keyvals)
+	if l.verbosity >= 3 {
+		printJSON("DEBUG", event, keyvals)
+	}
 }
 
 func (l JSONLogger) Info(event string, keyvals ...interface{}) {
-	printJSON("INFO", event, keyvals)
+	if l.verbosity >= 2 {
+		printJSON("INFO", event, keyvals)
+	}
 }
 
 func (l JSONLogger) Warn(event string, keyvals ...interface{}) {
-	printJSON("WARN", event, keyvals)
+	if l.verbosity >= 1 {
+		printJSON("WARN", event, keyvals)
+	}
 }
 
 func (l JSONLogger) Error(event string, keyvals ...interface{}) {
-	printJSON("ERROR", event, keyvals)
+	if l.verbosity >= 0 {
+		printJSON("ERROR", event, keyvals)
+	}
 }
 
 func (l JSONLogger) With(keyvals ...interface{}) golog.Logger {