diff --git a/src/core/hle/service/ptm/ptm.h b/src/core/hle/service/ptm/ptm.h
index b690003cb..0dc35480d 100644
--- a/src/core/hle/service/ptm/ptm.h
+++ b/src/core/hle/service/ptm/ptm.h
@@ -71,6 +71,14 @@ void GetBatteryLevel(Interface* self);
  */
 void GetBatteryChargeState(Interface* self);
 
+/**
+ * PTM::GetBatteryChargeState service function
+ *  Outputs:
+ *      1 : Result of function, 0 on success, otherwise error code
+ *      2 : Output of function, * = total step count
+ */
+void GetTotalStepCount(Interface* self);
+
 /**
  * PTM::IsLegacyPowerOff service function
  *  Outputs: