diff --git a/src/providers/vercel-blob/provider.ts b/src/providers/vercel-blob/provider.ts
index 01c2cc6..2f62054 100644
--- a/src/providers/vercel-blob/provider.ts
+++ b/src/providers/vercel-blob/provider.ts
@@ -63,12 +63,7 @@ export async function uploadLocalFile(asset: Asset) {
 
   return updateAsset(src, {
     status: 'ready',
-    providerSpecific: {
-      [provider]: {
-        url: blob.url,
-        contentType: blob.contentType,
-      }
-    },
+    sources: [{ src: blob.url, type: blob.contentType }],
   });
 }
 
@@ -109,11 +104,6 @@ export async function uploadRequestedFile(asset: Asset) {
 
   return updateAsset(src, {
     status: 'ready',
-    providerSpecific: {
-      [provider]: {
-        url: blob.url,
-        contentType: blob.contentType,
-      }
-    },
+    sources: [{ src: blob.url, type: blob.contentType }],
   });
 }
diff --git a/src/providers/vercel-blob/transformer.ts b/src/providers/vercel-blob/transformer.ts
index cb0755d..cf6b45e 100644
--- a/src/providers/vercel-blob/transformer.ts
+++ b/src/providers/vercel-blob/transformer.ts
@@ -2,17 +2,13 @@ import type { Asset } from '../../assets.js';
 
 export function transform(asset: Asset) {
   // Fallback to asset.externalIds for backwards compatibility with older assets.
-  const providerDetails = asset.providerSpecific?.['vercel-blob'] ?? asset.externalIds;
+  const providerDetails = asset.externalIds;
   if (!providerDetails) return asset;
 
   const source: Record<string, string> = {
     src: providerDetails.url
   };
 
-  if (providerDetails.contentType) {
-    source.type = providerDetails.contentType;
-  }
-
   return {
     ...asset,
     sources: [source],