diff --git a/src/lib/client/ecs/scene/entity/component/component-manager.ts b/src/lib/client/ecs/scene/entity/component/component-manager.ts
index 46c15ff..65e32392 100644
--- a/src/lib/client/ecs/scene/entity/component/component-manager.ts
+++ b/src/lib/client/ecs/scene/entity/component/component-manager.ts
@@ -47,7 +47,7 @@ export class EntityComponentManager {
     components[component] = {
       ...Object.fromEntries(
         manifest.params
-          .filter((param) => param.default)
+          .filter((param) => param.default !== undefined)
           .map((param) => [param.name, param.default as string]),
       ),
     };