diff --git a/cubesatsim/cubesatsim.ino b/cubesatsim/cubesatsim.ino
index 1e61e78f..24146f8a 100644
--- a/cubesatsim/cubesatsim.ino
+++ b/cubesatsim/cubesatsim.ino
@@ -910,8 +910,8 @@ void config_simulated_telem()
 
 //    #ifdef DEBUG_LOGGING
     for (int i = 0; i < 3; i++)
-      printf("axis: %f angle: %f v: %f i: %f \n", axis[i], angle[i], volts_max[i], amps_max[i]);
-    printf("batt: %f speed: %f eclipse_time: %f eclipse: %f period: %f temp: %f max: %f min: %f\n", batt, speed, eclipse_time, eclipse, period, tempS, temp_max, temp_min);
+      Serial.printf("axis: %f angle: %f v: %f i: %f \n", axis[i], angle[i], volts_max[i], amps_max[i]);
+    Serial.printf("batt: %f speed: %f eclipse_time: %f eclipse: %f period: %f temp: %f max: %f min: %f\n", batt, rotation_speed, eclipse_time, eclipse, period, tempS, temp_max, temp_min);
 //    #endif
 
     time_start = (long int) millis();