diff --git a/src/playsim/p_interaction.cpp b/src/playsim/p_interaction.cpp
index b58ba727df..8a8732b3bf 100644
--- a/src/playsim/p_interaction.cpp
+++ b/src/playsim/p_interaction.cpp
@@ -76,6 +76,7 @@ EXTERN_CVAR (Bool, show_obituaries)
 CVAR (Float, sv_damagefactormobj, 1.0, CVAR_SERVERINFO|CVAR_CHEAT)
 CVAR (Float, sv_damagefactorfriendly, 1.0, CVAR_SERVERINFO|CVAR_CHEAT)
 CVAR (Float, sv_damagefactorplayer, 1.0, CVAR_SERVERINFO|CVAR_CHEAT)
+CVAR (Float, sv_ammofactor, 1.0, CVAR_SERVERINFO|CVAR_CHEAT) // used in the zscript ammo code
 
 //
 // GET STUFF
diff --git a/wadsrc/static/zscript/actors/inventory/ammo.zs b/wadsrc/static/zscript/actors/inventory/ammo.zs
index 52b3d8f227..e30a5de604 100644
--- a/wadsrc/static/zscript/actors/inventory/ammo.zs
+++ b/wadsrc/static/zscript/actors/inventory/ammo.zs
@@ -94,7 +94,7 @@ class Ammo : Inventory
 
 				if (!item.bIgnoreSkill)
 				{ // extra ammo in baby mode and nightmare mode
-					receiving = int(receiving * G_SkillPropertyFloat(SKILLP_AmmoFactor));
+					receiving = int(receiving * (G_SkillPropertyFloat(SKILLP_AmmoFactor) * sv_ammofactor));
 				}
 				int oldamount = Amount;
 
@@ -140,7 +140,7 @@ class Ammo : Inventory
 		// extra ammo in baby mode and nightmare mode
 		if (!bIgnoreSkill)
 		{
-			amount = int(amount * G_SkillPropertyFloat(SKILLP_AmmoFactor));
+			amount = int(amount * (G_SkillPropertyFloat(SKILLP_AmmoFactor) * sv_ammofactor));
 		}
 
 		let type = GetParentAmmo();
@@ -258,7 +258,7 @@ class BackpackItem : Inventory
 				// extra ammo in baby mode and nightmare mode
 				if (!bIgnoreSkill)
 				{
-					amount = int(amount * G_SkillPropertyFloat(SKILLP_AmmoFactor));
+					amount = int(amount * (G_SkillPropertyFloat(SKILLP_AmmoFactor) * sv_ammofactor));
 				}
 				if (amount < 0) amount = 0;
 				if (ammoitem == NULL)
@@ -323,7 +323,7 @@ class BackpackItem : Inventory
 						// extra ammo in baby mode and nightmare mode
 						if (!bIgnoreSkill)
 						{
-							amount = int(amount * G_SkillPropertyFloat(SKILLP_AmmoFactor));
+							amount = int(amount * (G_SkillPropertyFloat(SKILLP_AmmoFactor) * sv_ammofactor));
 						}
 						ammoitem.Amount += amount;
 						if (ammoitem.Amount > ammoitem.MaxAmount && !sv_unlimited_pickup)
diff --git a/wadsrc/static/zscript/actors/inventory/weapons.zs b/wadsrc/static/zscript/actors/inventory/weapons.zs
index eca9122912..e3284f9130 100644
--- a/wadsrc/static/zscript/actors/inventory/weapons.zs
+++ b/wadsrc/static/zscript/actors/inventory/weapons.zs
@@ -748,7 +748,7 @@ class Weapon : StateProvider
 		// extra ammoitem in baby mode and nightmare mode
 		if (!bIgnoreSkill)
 		{
-			amount = int(amount * G_SkillPropertyFloat(SKILLP_AmmoFactor));
+			amount = int(amount * (G_SkillPropertyFloat(SKILLP_AmmoFactor) * sv_ammofactor));
 		}
 		ammoitem = Ammo(other.FindInventory (ammotype));
 		if (ammoitem == NULL)
@@ -783,7 +783,7 @@ class Weapon : StateProvider
 			// extra ammo in baby mode and nightmare mode
 			if (!bIgnoreSkill)
 			{
-				amount = int(amount * G_SkillPropertyFloat(SKILLP_AmmoFactor));
+				amount = int(amount * (G_SkillPropertyFloat(SKILLP_AmmoFactor) * sv_ammofactor));
 			}
 			ammo.Amount += amount;
 			if (ammo.Amount > ammo.MaxAmount && !sv_unlimited_pickup)