diff --git a/README.md b/README.md
index 23d4c597..75b3ef77 100644
--- a/README.md
+++ b/README.md
@@ -160,6 +160,7 @@ services:
       VITE_DEFAULT_FRONTEND_URL: "https://materialio.us"
 
       # URL to Sponsorblock
+      # Leave blank to completely disable sponsorblock.
       VITE_DEFAULT_SPONSERBLOCK_INSTANCE: "https://sponsor.ajay.app"
 
       # URL to DeArrow
diff --git a/materialious/src/lib/Player.svelte b/materialious/src/lib/Player.svelte
index 25e690cc..aaa3111c 100644
--- a/materialious/src/lib/Player.svelte
+++ b/materialious/src/lib/Player.svelte
@@ -83,8 +83,10 @@
 			if (get(sponsorBlockCategories)) {
 				const currentCategories = get(sponsorBlockCategories);
 
-				if (currentCategories.length > 0) {
-					const sponsorBlock = new SponsorBlock('', { baseURL: get(sponsorBlockUrl) });
+				const sponsorBlockInstance = get(sponsorBlockUrl);
+
+				if (currentCategories.length > 0 && sponsorBlockInstance && sponsorBlockInstance !== '') {
+					const sponsorBlock = new SponsorBlock('', { baseURL: sponsorBlockInstance });
 
 					try {
 						const segments = await sponsorBlock.getSegments(
diff --git a/materialious/src/store.ts b/materialious/src/store.ts
index c0b3b054..5d8d4f9d 100644
--- a/materialious/src/store.ts
+++ b/materialious/src/store.ts
@@ -32,7 +32,7 @@ export const auth: Writable<null | { username: string; token: string; }> = persi
 );
 
 export const sponsorBlock = persisted('sponsorBlock', true);
-export const sponsorBlockUrl = persisted(
+export const sponsorBlockUrl: Writable<string | null | undefined> = persisted(
 	'sponsorBlockUrl',
 	import.meta.env.VITE_DEFAULT_SPONSERBLOCK_INSTANCE
 );