diff --git a/.vscode/launch.json b/.vscode/launch.json
index 977b6c7a7d..b8d9ea128e 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -113,6 +113,12 @@
             "request": "launch",
             "type": "node-terminal",
         },
+        {
+            "command": "cd packages/network && npm run test",
+            "name": "npm run test - network",
+            "request": "launch",
+            "type": "node-terminal",
+        },
         {
             "command": "cd packages/engine && npm run test",
             "name": "npm run test - engine",
diff --git a/packages/ecs/src/ComponentFunctions.ts b/packages/ecs/src/ComponentFunctions.ts
index e3c9f000a2..bae18ada08 100755
--- a/packages/ecs/src/ComponentFunctions.ts
+++ b/packages/ecs/src/ComponentFunctions.ts
@@ -359,10 +359,11 @@ export const setComponent = <C extends Component>(
     root['component'] = Component.name
     Component.reactorMap.set(entity, root)
     return getComponent(entity, Component) as ComponentType<C>
+  } else {
+    const root = Component.reactorMap.get(entity)
+    root?.run()
   }
 
-  const root = Component.reactorMap.get(entity)
-  root?.run()
   return getComponent(entity, Component) as ComponentType<C>
 }
 
diff --git a/packages/engine/src/scene/materials/systems/MaterialLibrarySystem.tsx b/packages/engine/src/scene/materials/systems/MaterialLibrarySystem.tsx
index fb427ab80f..91c2c70780 100644
--- a/packages/engine/src/scene/materials/systems/MaterialLibrarySystem.tsx
+++ b/packages/engine/src/scene/materials/systems/MaterialLibrarySystem.tsx
@@ -51,6 +51,7 @@ import {
   updateMaterialPrototype
 } from '@etherealengine/spatial/src/renderer/materials/materialFunctions'
 
+import { defineState, getState, useImmediateEffect } from '@etherealengine/hyperflux'
 import { MeshComponent } from '@etherealengine/spatial/src/renderer/components/MeshComponent'
 import {
   MaterialInstanceComponent,
@@ -61,7 +62,7 @@ import { Material, MeshBasicMaterial } from 'three'
 import { SourceComponent } from '../../components/SourceComponent'
 
 const reactor = (): ReactElement => {
-  useEffect(() => {
+  useImmediateEffect(() => {
     MaterialPrototypeDefinitions.map((prototype: MaterialPrototypeDefinition, uuid) =>
       createMaterialPrototype(prototype)
     )
@@ -90,12 +91,13 @@ const MeshReactor = () => {
     if (source) setComponent(materialEntity, SourceComponent, source)
   }
 
-  useEffect(() => {
+  useImmediateEffect(() => {
     if (materialComponent) return
     const material = meshComponent.material.value as Material
     if (!isArray(material)) createAndSourceMaterial(material)
     else for (const mat of material) createAndSourceMaterial(mat)
   }, [])
+
   return null
 }
 
@@ -135,8 +137,16 @@ const MaterialInstanceReactor = () => {
   return null
 }
 
+export const MaterialLibraryReactorState = defineState({
+  name: 'ee.engine.scene.MaterialLibrarySystem',
+  initial: () => false,
+  reactor
+})
+
 export const MaterialLibrarySystem = defineSystem({
   uuid: 'ee.engine.scene.MaterialLibrarySystem',
   insert: { after: PresentationSystemGroup },
-  reactor
+  execute: () => {
+    getState(MaterialLibraryReactorState)
+  }
 })