diff --git a/README.md b/README.md
index bc67ae152..981d46b10 100644
--- a/README.md
+++ b/README.md
@@ -144,6 +144,8 @@ via Github Actions & Pages:
 - the build process pushes the build artifact to `main-build`
 - setup Github Pages to serve a static site from `main-build`
 
+In case of build issues, delete all Github Actions caches and the `main-build` branch, then re-run the job _"Deploy to Pages"_.
+
 ## **License**
 
 This project is licensed under the [GNU General Public License v3.0](https://opensource.org/licenses/gpl-3.0.html) - see the [`COPYING`](COPYING) file for details.
diff --git a/pages/index.tsx b/pages/index.tsx
index b949568a0..09ba7cf16 100644
--- a/pages/index.tsx
+++ b/pages/index.tsx
@@ -784,7 +784,7 @@ export default function Page() {
 		? {
 				backgroundImage: `url(${backgroundUrl})`,
 				backgroundRepeat: "no-repeat",
-				backgroundColor: (t) =>
+				backgroundColor: (t: any) =>
 					t.palette.mode === "light" ? t.palette.grey[50] : t.palette.grey[900],
 				backgroundSize: "cover",
 				backgroundPosition: "center",