diff --git a/plugin/RunicNPC.cs b/plugin/RunicNPC.cs
index 90b1d1c..aa69d14 100644
--- a/plugin/RunicNPC.cs
+++ b/plugin/RunicNPC.cs
@@ -2784,13 +2784,29 @@ namespace Oxide.Plugins
                 if (container == null)
                     continue;
                 foreach (Item item in container.itemList)
-                    if (item != null && item.GetHeldEntity() is T)
+                    if (item != null && HeldAs<T>(item) != null)
                         return item;
             }
 
             return null;
         }
 
+        /// <summary>
+        ///     The item's held entity as a <typeparamref name="T"/>, or, when it has none, its definition's
+        ///     entity prefab's. Since Rust's November 2026 build a "player-only" item (a syringe) has a held
+        ///     entity only in the belt (<c>ItemModEntity.playerOnlyEntityBeltOnly</c>), and an extra waits in
+        ///     the main inventory until <see cref="Hold"/> moves it (issue #20).
+        /// </summary>
+        private static T HeldAs<T>(Item item) where T : HeldEntity
+        {
+            BaseEntity held = item.GetHeldEntity();
+            if (held != null)
+                return held as T;
+            ItemModEntity mod = item.info.GetComponent<ItemModEntity>();
+            GameObject prefab = mod != null && mod.entityPrefab != null && mod.entityPrefab.isValid ? mod.entityPrefab.Get() : null;
+            return prefab != null ? prefab.GetComponent<T>() : null;
+        }
+
         /// <summary>Puts an item in its hands; only the belt can be held, so it is moved there first.</summary>
         private static bool Hold(RunicNpcPlayer npc, Item item)
         {
@@ -2914,7 +2930,8 @@ namespace Oxide.Plugins
             if (amount <= 0f)
                 return false;
 
-            Hold(npc, item);
+            if (!Hold(npc, item))
+                return false; // a full belt: nowhere to hold it.
             npc.SignalBroadcast(BaseEntity.Signal.Attack);
             item.UseItem(1);
             npc.Heal(amount);
@@ -3011,8 +3028,10 @@ namespace Oxide.Plugins
 
         private static bool HasFuel(RunicNpcPlayer npc, Item flameItem)
         {
-            FlameThrower f = flameItem.GetHeldEntity() as FlameThrower;
-            return f != null && (f.ammo > 0 || (f.fuelType != null && npc.inventory.FindItemByItemName(f.fuelType.shortname) != null));
+            // Off the belt it may have no held entity, so no tank (HeldAs): only the kit's fuel counts then.
+            FlameThrower held = flameItem.GetHeldEntity() as FlameThrower;
+            FlameThrower f = HeldAs<FlameThrower>(flameItem);
+            return f != null && ((held != null && held.ammo > 0) || (f.fuelType != null && npc.inventory.FindItemByItemName(f.fuelType.shortname) != null));
         }
 
         /// <summary>