diff --git a/src/data/layers/prestige.tsx b/src/data/layers/prestige.tsx
index 4902610..8216af1 100644
--- a/src/data/layers/prestige.tsx
+++ b/src/data/layers/prestige.tsx
@@ -10,13 +10,13 @@ import MainDisplay from "features/resources/MainDisplay.vue";
 import { createResource } from "features/resources/resource";
 import { addTooltip } from "features/tooltips/tooltip";
 import { createResourceTooltip } from "features/trees/tree";
-import { createLayer } from "game/layers";
+import { BaseLayer, createLayer } from "game/layers";
 import type { DecimalSource } from "util/bignum";
 import { render } from "util/vue";
 import { createLayerTreeNode, createResetButton } from "../common";
 
 const id = "p";
-const layer = createLayer(id, () => {
+const layer = createLayer(id, function (this: BaseLayer) {
     const name = "Prestige";
     const color = "#4BDC13";
     const points = createResource<DecimalSource>(0, "prestige points");
diff --git a/src/data/projEntry.tsx b/src/data/projEntry.tsx
index 34a67a0..8ee2c7b 100644
--- a/src/data/projEntry.tsx
+++ b/src/data/projEntry.tsx
@@ -4,7 +4,7 @@ import { createResource, trackBest, trackOOMPS, trackTotal } from "features/reso
 import type { GenericTree } from "features/trees/tree";
 import { branchedResetPropagation, createTree } from "features/trees/tree";
 import { globalBus } from "game/events";
-import type { GenericLayer } from "game/layers";
+import type { BaseLayer, GenericLayer } from "game/layers";
 import { createLayer } from "game/layers";
 import type { PlayerData } from "game/player";
 import player from "game/player";
@@ -17,7 +17,7 @@ import prestige from "./layers/prestige";
 /**
  * @hidden
  */
-export const main = createLayer("main", () => {
+export const main = createLayer("main", function (this: BaseLayer) {
     const points = createResource<DecimalSource>(10);
     const best = trackBest(points);
     const total = trackTotal(points);