diff --git a/src/entries/background/mv2.ts b/src/entries/background/mv2.ts
index 4732258..438a3c0 100644
--- a/src/entries/background/mv2.ts
+++ b/src/entries/background/mv2.ts
@@ -5,11 +5,13 @@ import { storageDelete, storageGet, storageSet } from '~/lib/settings';
 import { getMatch } from '~/lib/match';
 
 chrome.webRequest.onBeforeSendHeaders.addListener(
+	// eslint-disable-next-line @typescript-eslint/ban-ts-comment
+	// @ts-ignore
 	async (details) => {
 		const referer: { domain: string } | undefined = await storageGet('referer');
 		if (referer === undefined) return;
 
-		details.requestHeaders.push({
+		details.requestHeaders!.push({
 			name: 'Referer',
 			value: `https://${referer.domain}/`
 		});
@@ -26,8 +28,8 @@ chrome.webRequest.onBeforeRedirect.addListener(
 	async (details) => {
 		// check if redirects origins from a previous redirect
 		if ((await storageGet('redirect')) === undefined) {
-			let match: Match;
-			if ((match = await getMatch(new URL(details.url).hostname)) !== undefined) {
+			let match: Match | null;
+			if ((match = await getMatch(new URL(details.url).hostname)) !== null) {
 				await storageSet('redirect', match.id);
 			}
 		} else {
diff --git a/src/entries/contentScript/main.ts b/src/entries/contentScript/main.ts
index da6c42f..0f56c76 100644
--- a/src/entries/contentScript/main.ts
+++ b/src/entries/contentScript/main.ts
@@ -3,7 +3,7 @@ import { getMatch } from '~/lib/match';
 import { Other, Redirect } from '~/lib/settings';
 
 async function main() {
-	let match: Match;
+	let match: Match | null;
 	let redirect = false;
 	if ((match = await getMatch(window.location.host)) === null) {
 		if ((match = await Redirect.get()) === null) {
@@ -20,7 +20,12 @@ async function main() {
 		await Redirect.delete();
 	}
 
-	const url = await match.match(re);
+	let url: string;
+	try {
+		url = await match.match(re);
+	} catch (e) {
+		return;
+	}
 
 	// send the url to the ff2mpv (https://github.com/woodruffw/ff2mpv) application
 	if (await Other.getFf2mpv()) {
diff --git a/src/entries/player/player.ts b/src/entries/player/player.ts
index 8ca53fd..730d169 100644
--- a/src/entries/player/player.ts
+++ b/src/entries/player/player.ts
@@ -22,9 +22,9 @@ async function playHls(url: string, videoElem: HTMLVideoElement) {
 
 export async function play(videoElem: HTMLVideoElement) {
 	const urlQuery = new URLSearchParams(window.location.search);
-	const id = urlQuery.get('id');
-	const url = decodeURIComponent(urlQuery.get('url'));
-	const domain = urlQuery.get('domain');
+	const id = urlQuery.get('id') as string;
+	const url = decodeURIComponent(urlQuery.get('url') as string);
+	const domain = urlQuery.get('domain') as string;
 
 	const match = matches[id];
 	if (match === undefined) {
diff --git a/src/entries/popup/main.ts b/src/entries/popup/main.ts
index e055e41..5230165 100644
--- a/src/entries/popup/main.ts
+++ b/src/entries/popup/main.ts
@@ -1,5 +1,5 @@
 import App from './Popup.svelte';
 
 new App({
-	target: document.getElementById('app')
+	target: document.getElementById('app') as Element
 });
diff --git a/src/lib/match.ts b/src/lib/match.ts
index 96914cb..cdc290b 100644
--- a/src/lib/match.ts
+++ b/src/lib/match.ts
@@ -56,7 +56,7 @@ export const DropLoad: Match = {
 
 	match: async (match: RegExpMatchArray) => {
 		const unpacked = await unpack(match[0]);
-		return unpacked.match(/(?<=file:").*(?=")/)[0];
+		return unpacked.match(/(?<=file:").*(?=")/)![0];
 	}
 };
 
@@ -68,7 +68,7 @@ export const Filemoon: Match = {
 
 	match: async (match: RegExpMatchArray) => {
 		const unpacked = await unpack(match[0]);
-		return unpacked.match(/(?<=file:").*(?=")/)[0];
+		return unpacked.match(/(?<=file:").*(?=")/)![0];
 	}
 };
 
@@ -91,7 +91,7 @@ export const Kwik: Match = {
 
 	match: async (match: RegExpMatchArray) => {
 		const unpacked = await unpack(match[0]);
-		return unpacked.match(/(?<=source=').*(?=')/)[0];
+		return unpacked.match(/(?<=source=').*(?=')/)![0];
 	}
 };
 
@@ -103,7 +103,7 @@ export const Mixdrop: Match = {
 
 	match: async (match: RegExpMatchArray) => {
 		const unpacked = await unpack(match[0]);
-		const url = unpacked.match(/(?<=MDCore.wurl=").*(?=")/)[0];
+		const url = unpacked.match(/(?<=MDCore.wurl=").*(?=")/)![0];
 		return `https:${url}`;
 	}
 };
@@ -117,7 +117,7 @@ export const Mp4Upload: Match = {
 
 	match: async (match: RegExpMatchArray) => {
 		const unpacked = await unpack(match[0]);
-		return unpacked.match(/(?<=player.src\(").*(?=")/)[0];
+		return unpacked.match(/(?<=player.src\(").*(?=")/)![0];
 	}
 };
 
@@ -179,7 +179,7 @@ export const SuperVideo: Match = {
 
 	match: async (match: RegExpMatchArray) => {
 		const unpacked = await unpack(match[0]);
-		return unpacked.match(/(?<=file:").*(?=")/)[0];
+		return unpacked.match(/(?<=file:").*(?=")/)![0];
 	}
 };
 
@@ -191,7 +191,7 @@ export const Upstream: Match = {
 
 	match: async (match: RegExpMatchArray) => {
 		const unpacked = await unpack(match[0]);
-		return unpacked.match(/(?<=file:").*(?=")/)[0];
+		return unpacked.match(/(?<=file:").*(?=")/)![0];
 	}
 };
 
diff --git a/src/lib/settings.ts b/src/lib/settings.ts
index d0c0e3a..9d9ebae 100644
--- a/src/lib/settings.ts
+++ b/src/lib/settings.ts
@@ -3,11 +3,11 @@ import { matches } from './match';
 
 export const Hosters = {
 	getDisabled: async () => {
-		const disabled = await storageGet<string[]>('hosters.disabled', []);
+		const disabled = (await storageGet('hosters.disabled', [])) as string[];
 		return disabled.map((id) => matches[id]).filter((m) => m !== undefined);
 	},
 	disable: async (match: Match) => {
-		const disabled = await storageGet('hosters.disabled', []);
+		const disabled = (await storageGet('hosters.disabled', [])) as string[];
 		const index = disabled.indexOf(match.id);
 		if (index === -1) {
 			disabled.push(match.id);
@@ -15,7 +15,7 @@ export const Hosters = {
 		}
 	},
 	enable: async (match: Match) => {
-		const disabled = await storageGet('hosters.disabled', []);
+		const disabled = (await storageGet('hosters.disabled', [])) as string[];
 		const index = disabled.indexOf(match.id);
 		if (index !== -1) {
 			disabled.splice(index, 1);
@@ -35,7 +35,7 @@ export const Hosters = {
 
 export const Redirect = {
 	get: async (): Promise<Match | null> => {
-		return matches[await storageGet<string>('redirect')] || null;
+		return matches[(await storageGet('redirect')) as string] || null;
 	},
 	set: async (match: Match) => {
 		await storageSet('redirect', match.id);
diff --git a/src/lib/utils.ts b/src/lib/utils.ts
index ee12d2d..5db546f 100644
--- a/src/lib/utils.ts
+++ b/src/lib/utils.ts
@@ -19,7 +19,7 @@ export async function unpack(packed: string): Promise<string> {
         }'
     `;
 
-	const res: string = await runInPageContext(toExecute);
+	const res = (await runInPageContext(toExecute)) as string;
 	return res
 		.replace(/;/g, ';\n')
 		.replace(/{/g, '\n{\n')
@@ -29,7 +29,7 @@ export async function unpack(packed: string): Promise<string> {
 }
 
 // Adapted from: https://github.com/arikw/extension-page-context
-async function runInPageContext<T>(toExecute: string): Promise<T> {
+async function runInPageContext<T>(toExecute: string): Promise<T | null> {
 	// test that we are running with the allow-scripts permission
 	try {
 		window.sessionStorage;
@@ -44,7 +44,8 @@ async function runInPageContext<T>(toExecute: string): Promise<T> {
 	const scriptElm = document.createElement('script');
 	scriptElm.setAttribute('type', 'application/javascript');
 
-	const code = `
+	// inject the script
+	scriptElm.textContent = `
         (
             async function () {
 
@@ -63,9 +64,6 @@ async function runInPageContext<T>(toExecute: string): Promise<T> {
         )();
     `;
 
-	// inject the script
-	scriptElm.textContent = code;
-
 	// run the script
 	document.documentElement.appendChild(scriptElm);
 
diff --git a/src/manifest.ts b/src/manifest.ts
index 41cf12d..fc2d258 100644
--- a/src/manifest.ts
+++ b/src/manifest.ts
@@ -39,7 +39,7 @@ const ManifestV2 = {
 		scripts: ['src/entries/background/mv2.ts'],
 		persistent: true
 	},
-	content_scripts: [{ ...sharedManifest.content_scripts[0], matches: ['<all_urls>'] }],
+	content_scripts: [{ ...sharedManifest.content_scripts![0], matches: ['<all_urls>'] }],
 	browser_action: browserAction,
 	permissions: [...sharedManifest.permissions, 'webRequest', 'webRequestBlocking', '<all_urls>']
 };
@@ -67,7 +67,7 @@ export function getManifest(
 			...manifest,
 			...ManifestV2,
 			manifest_version: manifestVersion
-		};
+		} as chrome.runtime.ManifestV2;
 	}
 
 	if (manifestVersion === 3) {
@@ -78,7 +78,7 @@ export function getManifest(
 			name: `${manifest.name} Lite`,
 			...ManifestV3,
 			manifest_version: manifestVersion
-		};
+		} as chrome.runtime.ManifestV3;
 	}
 
 	throw new Error(`Missing manifest definition for manifestVersion ${manifestVersion}`);