diff --git a/src/actor.h b/src/actor.h
index 751e3579e5..1b4e5ac91d 100644
--- a/src/actor.h
+++ b/src/actor.h
@@ -583,15 +583,14 @@ public:
 	bool AdjustReflectionAngle (AActor *thing, angle_t &angle);
 
 	// Returns true if this actor is within melee range of its target
-	bool CheckMeleeRange ();
+	bool CheckMeleeRange();
 
-	// BeginPlay: Called just after the actor is created
-	virtual void BeginPlay ();
-	virtual void PostBeginPlay ();
-	// LevelSpawned: Called after BeginPlay if this actor was spawned by the world
-	virtual void LevelSpawned ();
-	// Translates SpawnFlags into in-game flags.
-	virtual void HandleSpawnFlags ();
+	virtual void BeginPlay();			// Called immediately after the actor is created
+	virtual void PostBeginPlay();		// Called immediately before the actor's first tick
+	virtual void LevelSpawned();		// Called after BeginPlay if this actor was spawned by the world
+	virtual void HandleSpawnFlags();	// Translates SpawnFlags into in-game flags.
+
+	virtual void MarkPrecacheSounds() const;	// Marks sounds used by this actor for precaching.
 
 	virtual void Activate (AActor *activator);
 	virtual void Deactivate (AActor *activator);
diff --git a/src/p_mobj.cpp b/src/p_mobj.cpp
index 4ccd669f76..1acdc2927a 100644
--- a/src/p_mobj.cpp
+++ b/src/p_mobj.cpp
@@ -3993,6 +3993,19 @@ void AActor::PostBeginPlay ()
 	PrevAngle = angle;
 }
 
+void AActor::MarkPrecacheSounds() const
+{
+	SeeSound.MarkUsed();
+	AttackSound.MarkUsed();
+	PainSound.MarkUsed();
+	DeathSound.MarkUsed();
+	ActiveSound.MarkUsed();
+	UseSound.MarkUsed();
+	BounceSound.MarkUsed();
+	WallBounceSound.MarkUsed();
+	CrushPainSound.MarkUsed();
+}
+
 bool AActor::isFast()
 {
 	if (flags5&MF5_ALWAYSFAST) return true;
diff --git a/src/s_sound.cpp b/src/s_sound.cpp
index dadd1a6d72..de383a1f69 100644
--- a/src/s_sound.cpp
+++ b/src/s_sound.cpp
@@ -480,17 +480,12 @@ void S_PrecacheLevel ()
 		// Precache all sounds known to be used by the currently spawned actors.
 		while ( (actor = iterator.Next()) != NULL )
 		{
-			S_sfx[actor->SeeSound].bUsed = true;
-			S_sfx[actor->AttackSound].bUsed = true;
-			S_sfx[actor->PainSound].bUsed = true;
-			S_sfx[actor->DeathSound].bUsed = true;
-			S_sfx[actor->ActiveSound].bUsed = true;
-			S_sfx[actor->UseSound].bUsed = true;
+			actor->MarkPrecacheSounds();
 		}
 		// Precache all extra sounds requested by this map.
 		for (i = 0; i < level.info->PrecacheSounds.Size(); ++i)
 		{
-			S_sfx[level.info->PrecacheSounds[i]].bUsed = true;
+			level.info->PrecacheSounds[i].MarkUsed();
 		}
 
 		for (i = 1; i < S_sfx.Size(); ++i)
diff --git a/src/s_sound.h b/src/s_sound.h
index 84881862ca..2c2a398ae1 100644
--- a/src/s_sound.h
+++ b/src/s_sound.h
@@ -65,6 +65,8 @@ struct sfxinfo_t
 
 	FRolloffInfo	Rolloff;
 	float		Attenuation;			// Multiplies the attenuation passed to S_Sound.
+
+	void		MarkUsed();				// Marks this sound as used.
 };
 
 // Rolloff types
@@ -132,6 +134,10 @@ public:
 	{
 		return ID ? S_sfx[ID].name.GetChars() : NULL;
 	}
+	void MarkUsed() const
+	{
+		S_sfx[ID].MarkUsed();
+	}
 private:
 	int ID;
 protected: