diff --git a/src/Locations/ui/CoresButton.tsx b/src/Locations/ui/CoresButton.tsx
index 5eafd46a2..f66696d5a 100644
--- a/src/Locations/ui/CoresButton.tsx
+++ b/src/Locations/ui/CoresButton.tsx
@@ -9,14 +9,10 @@ import { MathComponent } from "mathjax-react";
 
 type IProps = {
   p: IPlayer;
+  rerender: () => void;
 };
 
 export function CoresButton(props: IProps): React.ReactElement {
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
-
   const btnStyle = { display: "block" };
 
   const homeComputer = props.p.getHomeComputer();
@@ -37,7 +33,7 @@ export function CoresButton(props: IProps): React.ReactElement {
     if (!props.p.canAfford(cost)) return;
     props.p.loseMoney(cost);
     homeComputer.cpuCores++;
-    rerender();
+    props.rerender();
   }
 
   return (
diff --git a/src/Locations/ui/RamButton.tsx b/src/Locations/ui/RamButton.tsx
index d98fabefe..fb63e8281 100644
--- a/src/Locations/ui/RamButton.tsx
+++ b/src/Locations/ui/RamButton.tsx
@@ -11,14 +11,10 @@ import { MathComponent } from "mathjax-react";
 
 type IProps = {
   p: IPlayer;
+  rerender: () => void;
 };
 
 export function RamButton(props: IProps): React.ReactElement {
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
-
   const btnStyle = { display: "block" };
 
   const homeComputer = props.p.getHomeComputer();
@@ -32,7 +28,7 @@ export function RamButton(props: IProps): React.ReactElement {
 
   function buy(): void {
     purchaseRamForHomeComputer(props.p);
-    rerender();
+    props.rerender();
   }
 
   return (
diff --git a/src/Locations/ui/TechVendorLocation.tsx b/src/Locations/ui/TechVendorLocation.tsx
index abbaaa42b..e111a3fa7 100644
--- a/src/Locations/ui/TechVendorLocation.tsx
+++ b/src/Locations/ui/TechVendorLocation.tsx
@@ -3,7 +3,7 @@
  *
  * This subcomponent renders all of the buttons for purchasing things from tech vendors
  */
-import * as React from "react";
+import React, { useState } from "react";
 
 import { Location } from "../Location";
 import { createPurchaseServerPopup } from "../LocationsHelpers";
@@ -23,6 +23,10 @@ type IProps = {
 };
 
 export function TechVendorLocation(props: IProps): React.ReactElement {
+  const setRerender = useState(false)[1];
+  function rerender() {
+    setRerender((old) => !old);
+  }
   const btnStyle = { display: "block" };
 
   const purchaseServerButtons: React.ReactNode[] = [];
@@ -58,9 +62,9 @@ export function TechVendorLocation(props: IProps): React.ReactElement {
         </i>
       </p>
       <br />
-      <TorButton p={props.p} />
-      <RamButton p={props.p} />
-      <CoresButton p={props.p} />
+      <TorButton p={props.p} rerender={rerender} />
+      <RamButton p={props.p} rerender={rerender} />
+      <CoresButton p={props.p} rerender={rerender} />
     </div>
   );
 }
diff --git a/src/Locations/ui/TorButton.tsx b/src/Locations/ui/TorButton.tsx
index a77faf61b..b4673cfd5 100644
--- a/src/Locations/ui/TorButton.tsx
+++ b/src/Locations/ui/TorButton.tsx
@@ -11,19 +11,15 @@ import { Money } from "../../ui/React/Money";
 
 type IProps = {
   p: IPlayer;
+  rerender: () => void;
 };
 
 export function TorButton(props: IProps): React.ReactElement {
-  const setRerender = useState(false)[1];
-  function rerender(): void {
-    setRerender((old) => !old);
-  }
-
   const btnStyle = { display: "block" };
 
   function buy(): void {
     purchaseTorRouter(props.p);
-    rerender();
+    props.rerender();
   }
 
   if (props.p.hasTorRouter()) {