diff --git a/mousemover.ino b/mousemover.ino
index 3d39662..75903c1 100644
--- a/mousemover.ino
+++ b/mousemover.ino
@@ -1,12 +1,12 @@
 #include <Mouse.h>
 
 void setup() {
-  // put your setup code here, to run once:
   Mouse.begin();
 }
 
 void loop() {
-  delay(10 * 60 * 1000); //10min * 60sec * 1000ms
+  unsigned long wait_duration = 10 * 60 * 1000UL; //10min * 60sec * 1000ms
+  delay(wait_duration); 
   Mouse.move(1,0,0);
   Mouse.move(-1,0,0);
 }