diff --git a/Robust.Shared/Serialization/TypeSerializers/Implementations/Custom/Prototype/List/PrototypeIdListSerializer.cs b/Robust.Shared/Serialization/TypeSerializers/Implementations/Custom/Prototype/List/PrototypeIdListSerializer.cs
index 00e7d4c2e2..f43f815011 100644
--- a/Robust.Shared/Serialization/TypeSerializers/Implementations/Custom/Prototype/List/PrototypeIdListSerializer.cs
+++ b/Robust.Shared/Serialization/TypeSerializers/Implementations/Custom/Prototype/List/PrototypeIdListSerializer.cs
@@ -105,7 +105,7 @@ namespace Robust.Shared.Serialization.TypeSerializers.Implementations.Custom.Pro
             bool skipHook,
             ISerializationContext? context)
         {
-            return new();
+            return new(source);
         }
     }
 }