diff --git a/Client/game_sa/CAEVehicleAudioEntitySA.h b/Client/game_sa/CAEVehicleAudioEntitySA.h
index c2ab9d2eae..23ae22941f 100644
--- a/Client/game_sa/CAEVehicleAudioEntitySA.h
+++ b/Client/game_sa/CAEVehicleAudioEntitySA.h
@@ -21,6 +21,8 @@
 #define FUNC_CAEVehicleAudioEntity__ProcessAIProp                                      0x4FDFD0
 #define FUNC_CAEVehicleAudioEntity__ProcessAIHeli                                      0x4FEE20
 
+class CVehicleSAInterface;
+
 struct tVehicleSound
 {
     int       m_dwIndex;
@@ -51,9 +53,13 @@ static_assert(sizeof(CAETwinLoopSoundEntity) == 0xA8, "Invalid size for CAETwinL
 class CAEVehicleAudioEntitySAInterface : public CAEAudioEntity
 {
 public:
-    void AddAudioEvent(int eventId, float volume)
+    void    AddAudioEvent(int eventId, float volume) { ((void(__thiscall*)(CAEVehicleAudioEntitySAInterface*, int, float))0x4F6420)(this, eventId, volume); }
+    bool    TerminateAudio() { return ((bool(__thiscall*)(CAEVehicleAudioEntitySAInterface*))0x4FB8C0)(this); }
+    bool    SoundJoin() { return ((bool(__thiscall*)(CAEVehicleAudioEntitySAInterface*))0x4F5700)(this); }
+
+    int16_t InitAudio(CVehicleSAInterface* vehicle)
     {
-        ((void(__thiscall*)(CAEVehicleAudioEntitySAInterface*, int, float))0x4F6420)(this, eventId, volume);
+        return ((int16_t(__thiscall*)(CAEVehicleAudioEntitySAInterface*, CVehicleSAInterface*))0x4F7670)(this, vehicle);
     }
 
     short                  unk1;                                      // +124
diff --git a/Client/game_sa/CVehicleSA.cpp b/Client/game_sa/CVehicleSA.cpp
index 2b45872e29..dac1446ce5 100644
--- a/Client/game_sa/CVehicleSA.cpp
+++ b/Client/game_sa/CVehicleSA.cpp
@@ -2481,17 +2481,13 @@ bool CVehicleSA::SetWindowOpenFlagState(unsigned char ucWindow, bool bState)
 
 void CVehicleSA::ReinitAudio()
 {
-    typedef bool(__thiscall * Function_TerminateAudio)(CAEVehicleAudioEntitySAInterface * pAudio);
-    ((Function_TerminateAudio)(0x4FB8C0))(m_pVehicleAudioEntity->GetInterface());
+    auto* audioInterface = m_pVehicleAudioEntity->GetInterface();
 
-    typedef int16(__thiscall * Function_InitAudio)(CAEVehicleAudioEntitySAInterface * pAudio, CVehicleSAInterface * pVehicleInterface);
-    ((Function_InitAudio)(0x4F7670))(m_pVehicleAudioEntity->GetInterface(), GetVehicleInterface());
+    audioInterface->TerminateAudio();
+    audioInterface->InitAudio(GetVehicleInterface());
 
     CPed* pLocalPlayer = pGame->GetPedContext();
 
     if (IsPassenger(pLocalPlayer) || GetDriver() == pLocalPlayer)
-    {
-        typedef bool(__thiscall * Function_SoundJoin)(CAEVehicleAudioEntitySAInterface * pAudio);
-        ((Function_SoundJoin)(0x4F5700))(m_pVehicleAudioEntity->GetInterface());
-    }
+        audioInterface->SoundJoin();
 }