diff --git a/src/js/game/hud/hud.js b/src/js/game/hud/hud.js
index 5f1bd226..faaec1ed 100644
--- a/src/js/game/hud/hud.js
+++ b/src/js/game/hud/hud.js
@@ -67,7 +67,7 @@ export class GameHUD {
             shapePinRequested: /** @type {TypedSignal<[ShapeDefinition]>} */ (new Signal()),
             shapeUnpinRequested: /** @type {TypedSignal<[string]>} */ (new Signal()),
             notification: /** @type {TypedSignal<[string, enumNotificationType]>} */ (new Signal()),
-            buildingsSelectedForCopy: /** @type {TypedSignal<[Array<number>]>} */ (new Signal()),
+            buildingsSelectedForCopy: /** @type {TypedSignal<[Array]>} */ (new Signal()),
             pasteBlueprintRequested: /** @type {TypedSignal<[]>} */ (new Signal()),
             viewShapeDetailsRequested: /** @type {TypedSignal<[ShapeDefinition]>} */ (new Signal()),
             unlockNotificationFinished: /** @type {TypedSignal<[]>} */ (new Signal()),
diff --git a/src/js/webworkers/tsconfig.json b/src/js/webworkers/tsconfig.json
index dce06856..3a428cfc 100644
--- a/src/js/webworkers/tsconfig.json
+++ b/src/js/webworkers/tsconfig.json
@@ -1,6 +1,6 @@
 {
     "compilerOptions": {
-        "lib": ["ES2018","WebWorker"]
+        "lib": ["ES2018", "WebWorker"]
     },
     "exclude": [],
     "extends": "../tsconfig",