diff --git a/Marlin/Configuration.h b/Marlin/Configuration.h
index 929b2f3f3b..531057de3f 100644
--- a/Marlin/Configuration.h
+++ b/Marlin/Configuration.h
@@ -399,7 +399,7 @@
   //#define MKS_PWC                 // Using the MKS PWC add-on
   //#define PS_OFF_CONFIRM          // Confirm dialog when power off
   //#define PS_OFF_SOUND            // Beep 1s when power off
-  #define PSU_ACTIVE_STATE LOW      // Set 'LOW' for ATX, 'HIGH' for X-Box
+  #define PSU_ACTIVE_STATE HIGH      // Set 'LOW' for ATX, 'HIGH' for X-Box
 
   //#define PSU_DEFAULT_OFF               // Keep power off until enabled directly with M80
   //#define PSU_POWERUP_DELAY      250    // (ms) Delay for the PSU to warm up to full power
diff --git a/Marlin/src/feature/power.cpp b/Marlin/src/feature/power.cpp
index c003be1363..6fa91b3826 100644
--- a/Marlin/src/feature/power.cpp
+++ b/Marlin/src/feature/power.cpp
@@ -61,7 +61,7 @@ bool Power::psu_on;
 #endif
 
 #if defined(PS_ON_EDM_PIN) || (defined(PS_ON_EDM_PIN) && ENABLED(PSU_OFF_REDUNDANT))
-  static millis_t Power::last_state_change_ms = 0;
+  millis_t Power::last_state_change_ms = 0;
 #endif
 
 /**