diff --git a/src/lib.rs b/src/lib.rs
index debcc2f..57e3665 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -714,6 +714,14 @@ impl Plugin for SynthizerPlugin {
         let context = Context(context);
         app.add_asset::<Buffer>()
             .init_asset_loader::<BufferAssetLoader>()
+            .register_type::<Source>()
+            .register_type::<DistanceRef>()
+            .register_type::<DistanceMax>()
+            .register_type::<Rolloff>()
+            .register_type::<ClosenessBoostDistance>()
+            .register_type::<AngularPan>()
+            .register_type::<ScalarPan>()
+            .register_type::<Sound>()
             .register_type::<Listener>()
             .insert_resource(guard)
             .insert_resource(context)