diff --git a/internal/cli/monitor/monitor.go b/internal/cli/monitor/monitor.go
index 205225f1ad6..9e81c62902f 100644
--- a/internal/cli/monitor/monitor.go
+++ b/internal/cli/monitor/monitor.go
@@ -46,14 +46,13 @@ var tr = i18n.Tr
 // NewCommand created a new `monitor` command
 func NewCommand() *cobra.Command {
 	var (
-		raw        bool
-		portArgs   arguments.Port
-		describe   bool
-		configs    []string
-		quiet      bool
-		timestamp  bool
-		fqbn       arguments.Fqbn
-		sketchPath string
+		raw       bool
+		portArgs  arguments.Port
+		describe  bool
+		configs   []string
+		quiet     bool
+		timestamp bool
+		fqbn      arguments.Fqbn
 	)
 	monitorCommand := &cobra.Command{
 		Use:   "monitor",
@@ -63,7 +62,11 @@ func NewCommand() *cobra.Command {
 			"  " + os.Args[0] + " monitor -p /dev/ttyACM0\n" +
 			"  " + os.Args[0] + " monitor -p /dev/ttyACM0 --describe",
 		Run: func(cmd *cobra.Command, args []string) {
-			runMonitorCmd(&portArgs, &fqbn, configs, describe, timestamp, quiet, raw, sketchPath)
+			var portProvidedFromFlag bool
+			if p := cmd.Flags().Lookup("port"); p != nil && p.Changed {
+				portProvidedFromFlag = true
+			}
+			runMonitorCmd(&portArgs, &fqbn, configs, describe, timestamp, quiet, raw, portProvidedFromFlag)
 		},
 	}
 	portArgs.AddToCommand(monitorCommand)
@@ -72,12 +75,11 @@ func NewCommand() *cobra.Command {
 	monitorCommand.Flags().StringSliceVarP(&configs, "config", "c", []string{}, tr("Configure communication port settings. The format is <ID>=<value>[,<ID>=<value>]..."))
 	monitorCommand.Flags().BoolVarP(&quiet, "quiet", "q", false, tr("Run in silent mode, show only monitor input and output."))
 	monitorCommand.Flags().BoolVar(&timestamp, "timestamp", false, tr("Timestamp each incoming line."))
-	monitorCommand.Flags().StringVarP(&sketchPath, "sketch", "s", "", tr("Path to the sketch"))
 	fqbn.AddToCommand(monitorCommand)
 	return monitorCommand
 }
 
-func runMonitorCmd(portArgs *arguments.Port, fqbn *arguments.Fqbn, configs []string, describe, timestamp, quiet, raw bool, sketchPath string) {
+func runMonitorCmd(portArgs *arguments.Port, fqbn *arguments.Fqbn, configs []string, describe, timestamp, quiet, raw, portProvidedFromFlag bool) {
 	instance := instance.CreateAndInit()
 	logrus.Info("Executing `arduino-cli monitor`")
 
@@ -85,21 +87,21 @@ func runMonitorCmd(portArgs *arguments.Port, fqbn *arguments.Fqbn, configs []str
 		quiet = true
 	}
 
-	addressDefault := ""
-	protocolDefault := ""
-	if sketchPath != "" {
-		sketch, err := sketch.LoadSketch(context.Background(), &rpc.LoadSketchRequest{SketchPath: sketchPath})
+	var defaultPortAddress, defaultPortProtocol string
+	if !portProvidedFromFlag {
+		sketchReponse, err := sketch.LoadSketch(context.Background(), &rpc.LoadSketchRequest{
+			SketchPath: arguments.InitSketchPath("").String(),
+		})
 		if err != nil {
-			feedback.FatalError(err, feedback.ErrGeneric)
+			feedback.Fatal(tr("Error getting default port from `sketch.yaml`. Check if you're in the correct sketch folder or provide the --port flag: %s", err), feedback.ErrGeneric)
 		}
-		addressDefault = sketch.GetDefaultPort()
-		protocolDefault = sketch.GetDefaultProtocol()
+		defaultPortAddress, defaultPortProtocol = sketchReponse.GetDefaultPort(), sketchReponse.GetDefaultProtocol()
 	}
-	portAddress, portProtocol, err := portArgs.GetPortAddressAndProtocol(instance, addressDefault, protocolDefault)
+
+	portAddress, portProtocol, err := portArgs.GetPortAddressAndProtocol(instance, defaultPortAddress, defaultPortProtocol)
 	if err != nil {
 		feedback.FatalError(err, feedback.ErrGeneric)
 	}
-
 	enumerateResp, err := monitor.EnumerateMonitorPortSettings(context.Background(), &rpc.EnumerateMonitorPortSettingsRequest{
 		Instance:     instance,
 		PortProtocol: portProtocol,