diff --git a/editor/src/components/editor/editor-component.tsx b/editor/src/components/editor/editor-component.tsx
index ced74c145447..449581a0239c 100644
--- a/editor/src/components/editor/editor-component.tsx
+++ b/editor/src/components/editor/editor-component.tsx
@@ -58,7 +58,7 @@ import { generateUUID } from '../../utils/utils'
 import { isLiveblocksEnabled } from './liveblocks-utils'
 import type { Storage, Presence, RoomEvent, UserMeta } from '../../../liveblocks.config'
 import LiveblocksProvider from '@liveblocks/yjs'
-import { projectIdToRoomId } from '../../core/shared/multiplayer'
+import { isRoomId, projectIdToRoomId } from '../../core/shared/multiplayer'
 import { useDisplayOwnershipWarning } from './project-owner-hooks'
 
 const liveModeToastId = 'play-mode-toast'
@@ -298,11 +298,10 @@ export const EditorComponentInner = React.memo((props: EditorProps) => {
   )
 
   React.useEffect(() => {
-    if (yDoc != null) {
+    if (yDoc != null && isRoomId(room.id)) {
       const yProvider = new LiveblocksProvider<Presence, Storage, UserMeta, RoomEvent>(room, yDoc)
 
       return () => {
-        yDoc.destroy()
         yProvider.destroy()
       }
     }
diff --git a/editor/src/core/shared/multiplayer.ts b/editor/src/core/shared/multiplayer.ts
index a12c6d841fa8..39ae86a6dfe8 100644
--- a/editor/src/core/shared/multiplayer.ts
+++ b/editor/src/core/shared/multiplayer.ts
@@ -128,6 +128,12 @@ export function canFollowTarget(
   return !followChain.has(selfId)
 }
 
+const roomIdPrefix = `project-room-`
+
 export function projectIdToRoomId(projectId: string): string {
-  return `project-room-${projectId}`
+  return `${roomIdPrefix}${projectId}`
+}
+
+export function isRoomId(s: string): boolean {
+  return s.startsWith(roomIdPrefix)
 }