diff --git a/src/openrct2/ride/Vehicle.cpp b/src/openrct2/ride/Vehicle.cpp
index 1bea889d30..3a761863fb 100644
--- a/src/openrct2/ride/Vehicle.cpp
+++ b/src/openrct2/ride/Vehicle.cpp
@@ -3593,7 +3593,7 @@ void Vehicle::UpdateCrashSetup()
     }
     SetState(VEHICLE_STATUS_CRASHING, sub_state);
 
-    if (vehicle_get_total_num_peeps(this) != 0)
+    if (NumPeepsUntilTrainTail() != 0)
     {
         audio_play_sound_at_location(SoundId::HauntedHouseScream2, { x, y, z });
     }
@@ -5572,7 +5572,7 @@ SoundId Vehicle::UpdateScreamSound()
 
     rct_ride_entry_vehicle* vehicleEntry = &rideEntry->vehicles[vehicle_type];
 
-    int32_t totalNumPeeps = vehicle_get_total_num_peeps(this);
+    int32_t totalNumPeeps = NumPeepsUntilTrainTail();
     if (totalNumPeeps == 0)
         return SoundId::Null;
 
@@ -9785,8 +9785,9 @@ rct_ride_entry_vehicle* Vehicle::Entry() const
     return &rideEntry->vehicles[vehicle_type];
 }
 
-int32_t vehicle_get_total_num_peeps(const Vehicle* vehicle)
+int32_t Vehicle::NumPeepsUntilTrainTail() const
 {
+    const Vehicle* vehicle = this;
     uint16_t spriteIndex;
     int32_t numPeeps = 0;
     for (;;)
diff --git a/src/openrct2/ride/Vehicle.h b/src/openrct2/ride/Vehicle.h
index 780ab6fd05..bad690b4ff 100644
--- a/src/openrct2/ride/Vehicle.h
+++ b/src/openrct2/ride/Vehicle.h
@@ -360,6 +360,7 @@ private:
     bool CurrentTowerElementIsTop();
     bool UpdateTrackMotionForwards(rct_ride_entry_vehicle* vehicleEntry, Ride* curRide, rct_ride_entry* rideEntry);
     bool UpdateTrackMotionBackwards(rct_ride_entry_vehicle* vehicleEntry, Ride* curRide, rct_ride_entry* rideEntry);
+    int32_t NumPeepsUntilTrainTail() const;
     void InvalidateWindow();
     void TestReset();
     void UpdateTestFinish();
@@ -562,7 +563,6 @@ void vehicle_sounds_update();
 GForces vehicle_get_g_forces(const Vehicle* vehicle);
 void vehicle_set_map_toolbar(const Vehicle* vehicle);
 int32_t vehicle_is_used_in_pairs(const Vehicle* vehicle);
-int32_t vehicle_get_total_num_peeps(const Vehicle* vehicle);
 const rct_vehicle_info* vehicle_get_move_info(int32_t trackSubposition, int32_t typeAndDirection, int32_t offset);
 uint16_t vehicle_get_move_info_size(int32_t trackSubposition, int32_t typeAndDirection);