diff --git a/offchain/metadata/adapters/data_uri.py b/offchain/metadata/adapters/data_uri.py
index d4c2043..d773f61 100644
--- a/offchain/metadata/adapters/data_uri.py
+++ b/offchain/metadata/adapters/data_uri.py
@@ -18,7 +18,7 @@ def decode_data_url(data_url):  # type: ignore[no-untyped-def]
         decoded_data = base64.b64decode(data)
         decoded_text = decoded_data.decode("utf-8")
         return decoded_text
-    elif "json;utf8" in data_parts[0] or "json" in data_parts[0]:
+    elif "json" in data_parts[0]:
         decoded_data = urlopen(data_url).read()
         decoded_text = json.dumps(json.loads(decoded_data))
         return decoded_text
diff --git a/tests/metadata/fetchers/test_metadata_fetcher.py b/tests/metadata/fetchers/test_metadata_fetcher.py
index 67240d7..59c1819 100644
--- a/tests/metadata/fetchers/test_metadata_fetcher.py
+++ b/tests/metadata/fetchers/test_metadata_fetcher.py
@@ -28,7 +28,17 @@ async def test_gen_fetch_data_adapter(self):  # type: ignore[no-untyped-def]
 
     @pytest.mark.asyncio
     async def test_gen_fetch_ipfs_adapter(self):  # type: ignore[no-untyped-def]
-        fetcher = MetadataFetcher()
+        fetcher = MetadataFetcher(
+            async_adapter_configs=[
+                AdapterConfig(
+                    adapter_cls=IPFSAdapter,
+                    mount_prefixes=[
+                        "ipfs://",
+                    ],
+                    host_prefixes=["https://ipfs.decentralized-content.com/ipfs/"],
+                ),
+            ]
+        )
         content = await fetcher.gen_fetch_content(
             "ipfs://bafkreiboyxwytfyufln3uzyzaixslzvmrqs5ezjo2cio2fymfqf6u57u6u"  # noqa
         )