diff --git a/src/g_shared/a_pickups.h b/src/g_shared/a_pickups.h
index 4be7100a8..6c68990d1 100644
--- a/src/g_shared/a_pickups.h
+++ b/src/g_shared/a_pickups.h
@@ -359,7 +359,17 @@ enum
 	WIF_BOT_BFG =			1<<28,		// this is a BFG
 };
 
-#define S_LIGHTDONE 0
+class AWeaponGiver : public AWeapon
+{
+	DECLARE_CLASS(AWeaponGiver, AWeapon)
+
+public:
+	bool TryPickup(AActor *&toucher);
+	void Serialize(FArchive &arc);
+
+	fixed_t DropAmmoFactor;
+};
+
 
 // Health is some item that gives the player health when picked up.
 class AHealth : public AInventory
diff --git a/src/g_shared/a_weapons.cpp b/src/g_shared/a_weapons.cpp
index 23cc08e82..b6c4e1116 100644
--- a/src/g_shared/a_weapons.cpp
+++ b/src/g_shared/a_weapons.cpp
@@ -705,16 +705,17 @@ FState *AWeapon::GetZoomState ()
 
 /* Weapon giver ***********************************************************/
 
-class AWeaponGiver : public AWeapon
-{
-	DECLARE_CLASS(AWeaponGiver, AWeapon)
-
-public:
-	bool TryPickup(AActor *&toucher);
-};
-
 IMPLEMENT_CLASS(AWeaponGiver)
 
+void AWeaponGiver::Serialize(FArchive &arc)
+{
+	Super::Serialize(arc);
+	if (SaveVersion >= 4246)
+	{
+		arc << DropAmmoFactor;
+	}
+}
+
 bool AWeaponGiver::TryPickup(AActor *&toucher)
 {
 	FDropItem *di = GetDropItems();
@@ -734,36 +735,15 @@ bool AWeaponGiver::TryPickup(AActor *&toucher)
 					weap->ItemFlags &= ~IF_ALWAYSPICKUP;	// use the flag of this item only.
 					weap->flags = (weap->flags & ~MF_DROPPED) | (this->flags & MF_DROPPED);
 
-					// If we're not overriding the ammo given amounts, then apply dropped
-					// item modifications if needed.
-					if (weap->flags & MF_DROPPED)
-					{
-						dropammofactor = G_SkillProperty(SKILLP_DropAmmoFactor);
-						if (dropammofactor < 0)
-						{
-							dropammofactor = FRACUNIT/2;
-						}
-					}
-					else
-					{
-						dropammofactor = FRACUNIT;
-					}
+					// If our ammo gives are non-negative, transfer them to the real weapon.
+					if (AmmoGive1 >= 0) weap->AmmoGive1 = AmmoGive1;
+					if (AmmoGive2 >= 0) weap->AmmoGive2 = AmmoGive2;
 
-					if (AmmoGive1 < 0)
+					// If DropAmmoFactor is non-negative, modify the given ammo amounts.
+					if (DropAmmoFactor > 0)
 					{
-						weap->AmmoGive1 = FixedMul(weap->AmmoGive1, dropammofactor);
-					}
-					else
-					{
-						weap->AmmoGive1 = AmmoGive1;
-					}
-					if (AmmoGive2 < 0)
-					{
-						weap->AmmoGive2 = FixedMul(weap->AmmoGive2, dropammofactor);
-					}
-					else
-					{
-						weap->AmmoGive2 = AmmoGive2;
+						weap->AmmoGive1 = FixedMul(weap->AmmoGive1, DropAmmoFactor);
+						weap->AmmoGive2 = FixedMul(weap->AmmoGive2, DropAmmoFactor);
 					}
 					weap->BecomeItem();
 				}
diff --git a/src/p_enemy.cpp b/src/p_enemy.cpp
index 75453386e..70b80e7fb 100644
--- a/src/p_enemy.cpp
+++ b/src/p_enemy.cpp
@@ -3025,6 +3025,11 @@ void ModifyDropAmount(AInventory *inv, int dropamount)
 		inv->Amount = inv->GetClass()->Meta.GetMetaInt (AIMETA_DropAmount, MAX(1, FixedMul(inv->Amount, dropammofactor)));
 		inv->ItemFlags |= flagmask;
 	}
+	else if (inv->IsKindOf (RUNTIME_CLASS(AWeaponGiver)))
+	{
+		static_cast<AWeaponGiver *>(inv)->DropAmmoFactor = dropammofactor;
+		inv->ItemFlags |= flagmask;
+	}
 	else if (inv->IsKindOf (RUNTIME_CLASS(AWeapon)))
 	{
 		// The same goes for ammo from a weapon.