diff --git a/src/board/system76/common/include/board/power.h b/src/board/system76/common/include/board/power.h
index d6771b2..f1a59aa 100644
--- a/src/board/system76/common/include/board/power.h
+++ b/src/board/system76/common/include/board/power.h
@@ -11,6 +11,7 @@ enum PowerState {
 };
 
 extern enum PowerState power_state;
+void update_power_state(void);
 
 void power_init(void);
 void power_on(void);
diff --git a/src/board/system76/common/peci.c b/src/board/system76/common/peci.c
index 90e476f..af3a9fd 100644
--- a/src/board/system76/common/peci.c
+++ b/src/board/system76/common/peci.c
@@ -69,6 +69,9 @@ void peci_init(void) {}
 
 // Returns true if peci is available
 bool peci_available(void) {
+    // Ensure power state is up to date
+    update_power_state();
+
     // Power state must be S0 for PECI to be useful
     if (power_state != POWER_STATE_S0) return false;
 
@@ -259,6 +262,9 @@ void peci_init(void) {
 
 // Returns true if peci is available
 bool peci_available(void) {
+    // Ensure power state is up to date
+    update_power_state();
+
     // Power state must be S0 for PECI to be useful
     if (power_state != POWER_STATE_S0) return false;