Fix M0/M1 broken wait loop (#16921)

5 years ago · 7bf3581b02
1 changed files with 1 additions and 1 deletions
--- a/Marlin/src/gcode/lcd/M0_M1.cpp
+++ b/Marlin/src/gcode/lcd/M0_M1.cpp
@ -102,7 +102,7 @@ void GcodeSuite::M0_M1() {
  #endif

  if (ms > 0) ms += millis();  // wait until this time for a click
-  while (wait_for_user && (ms > 0 || PENDING(millis(), ms))) idle();
+  while (wait_for_user || (ms > 0 && PENDING(millis(), ms))) idle();

  #if HAS_LEDS_OFF_FLAG
    printerEventLEDs.onResumeAfterWait();