diff --git a/build/shared/examples/10.MultiTasking/Monitor/Monitor.ino b/build/shared/examples/10.MultiTasking/Monitor/Monitor.ino
index fe75e68eb17..c4ee2b9330e 100644
--- a/build/shared/examples/10.MultiTasking/Monitor/Monitor.ino
+++ b/build/shared/examples/10.MultiTasking/Monitor/Monitor.ino
@@ -132,6 +132,7 @@ void mon_setup(void)
 {
     Serial.begin(9600);
     Serial.println("Welcome! This is the Serial debug console.");
+    Serial.println("Type help for list of commands");
 }
 
 #define UP_ARROW 0x0b    /* ctrl K */
@@ -152,6 +153,7 @@ void mon_loop()
     int escape_index = 0;
 
     while (true) {
+        if (!Serial.available()) continue;
         char c = Serial.read();
 
         if (escape_index) {
@@ -861,4 +863,4 @@ static int consoleHandler_pri(const char *line)
 }
 
 #endif /* PRI_CMD */
-
+