diff --git a/cubesatsim/cubesatsim.h b/cubesatsim/cubesatsim.h
index 659170da..0bcc8df3 100644
--- a/cubesatsim/cubesatsim.h
+++ b/cubesatsim/cubesatsim.h
@@ -302,8 +302,8 @@ int mode_count = 0;
 unsigned long pb_press_start;
 
 bool TimerHandler0(struct repeating_timer *t);
-RPI_PICO_Timer ITimer0(0);
-RPI_PICO_Timer ITimer1(1);
+RPI_PICO_Timer ITimer0(1);
+RPI_PICO_Timer ITimer1(0);
 bool timer0_on = false;
 
 char callsign[20];