diff --git a/application.c b/application.c
index 69b36f5..d99d274 100644
--- a/application.c
+++ b/application.c
@@ -414,9 +414,7 @@ void main(void)
 			action = true; // action has been performed
 			puts("button pressed\n");
 			led_toggle(); // toggle LED
-			for (uint32_t i = 0; i < 1000000; i++) { // wait a bit to remove noise and double trigger
-				__asm__("nop");
-			}
+			sleep_ms(100); // wait a bit to remove noise and double trigger
 			button_flag = false; // reset flag
 		}
 		if (rtc_internal_tick_flag) { // the internal RTC ticked