diff --git a/.changeset/small-pillows-hug.md b/.changeset/small-pillows-hug.md
new file mode 100644
index 00000000..a5eebe29
--- /dev/null
+++ b/.changeset/small-pillows-hug.md
@@ -0,0 +1,5 @@
+---
+"@tus/azure-store": patch
+---
+
+Fix metadata parsing bug
diff --git a/packages/azure-store/src/index.ts b/packages/azure-store/src/index.ts
index c80ecd5f..b9587ca0 100644
--- a/packages/azure-store/src/index.ts
+++ b/packages/azure-store/src/index.ts
@@ -117,7 +117,7 @@ export class AzureStore extends DataStore {
     const upload = JSON.parse(propertyData.metadata.upload) as Upload
     // Metadata is base64 encoded to avoid errors for non-ASCII characters
     // so we need to decode it separately
-    upload.metadata = Metadata.parse(JSON.stringify(upload.metadata ?? {}))
+    upload.metadata = upload.metadata ? Metadata.parse(upload.metadata) : {}
 
     await this.cache.set(appendBlobClient.url, upload)