diff --git a/Extensions/TileMap/tests/tilemapcollisionmaskruntimeobject.spec.js b/Extensions/TileMap/tests/tilemapcollisionmaskruntimeobject.spec.js
index b4cf99dd1cc3..07240ffb693d 100644
--- a/Extensions/TileMap/tests/tilemapcollisionmaskruntimeobject.spec.js
+++ b/Extensions/TileMap/tests/tilemapcollisionmaskruntimeobject.spec.js
@@ -10,6 +10,7 @@ describe('gdjs.TileMapCollisionMaskRuntimeObject', function () {
             metadata: '',
             name: 'SmallTiledMap.json',
             userAdded: true,
+            alwaysLoaded: true,
           },
           {
             file: 'base/tests-utils/simple-tiled-map/FlippingTiledMap.json',
@@ -17,6 +18,7 @@ describe('gdjs.TileMapCollisionMaskRuntimeObject', function () {
             metadata: '',
             name: 'FlippingTiledMap.json',
             userAdded: true,
+            alwaysLoaded: true,
           },
           {
             file: 'base/tests-utils/simple-tiled-map/MiniTiledSet.json',
@@ -24,6 +26,7 @@ describe('gdjs.TileMapCollisionMaskRuntimeObject', function () {
             metadata: '',
             name: 'MiniTiledSet.json',
             userAdded: true,
+            alwaysLoaded: true,
           },
         ],
       },
diff --git a/GDJS/Runtime/types/project-data.d.ts b/GDJS/Runtime/types/project-data.d.ts
index 74be575fed11..c6b23d620230 100644
--- a/GDJS/Runtime/types/project-data.d.ts
+++ b/GDJS/Runtime/types/project-data.d.ts
@@ -397,6 +397,7 @@ declare interface ResourcesData {
 }
 
 declare interface ResourceData {
+  alwaysLoaded?: boolean;
   file: string;
   kind: ResourceKind;
   metadata: string;