diff --git a/src/modules/stage/stage.cpp b/src/modules/stage/stage.cpp
index 35ee89c..ab2f067 100644
--- a/src/modules/stage/stage.cpp
+++ b/src/modules/stage/stage.cpp
@@ -11,9 +11,9 @@
 
 // The array below has 3 stepper objects, for X,Y,Z respectively
 const uint8_t n_motors = 3;
-long min_step_delay;
+long min_step_delay = -1;
 const uint8_t min_step_delay_eeprom = sizeof(long) * n_motors;
-long ramp_time;
+long ramp_time = -1;
 const uint8_t ramp_time_eeprom = sizeof(long) * (n_motors + 1);
 const uint8_t axis_max_eeprom = sizeof(long) * (n_motors + 2);
 const uint8_t non_blocking_moves_eeprom = sizeof(long) * (n_motors + 3);