diff --git a/wallet-fetcher/source_wallet_fetcher/source.py b/wallet-fetcher/source_wallet_fetcher/source.py
index fce2185..1ed46e1 100644
--- a/wallet-fetcher/source_wallet_fetcher/source.py
+++ b/wallet-fetcher/source_wallet_fetcher/source.py
@@ -77,7 +77,7 @@ class SourceWalletFetcher(AbstractSource):
         for wallet in config["wallets"]:
             tokens.append(
                 Token(
-                    wallet_address=wallet, 
+                    wallet_address=wallet['address'], 
                 )
             )
         return tokens
diff --git a/wallet-fetcher/source_wallet_fetcher/spec.yaml b/wallet-fetcher/source_wallet_fetcher/spec.yaml
index 0eeca24..b9272ca 100644
--- a/wallet-fetcher/source_wallet_fetcher/spec.yaml
+++ b/wallet-fetcher/source_wallet_fetcher/spec.yaml
@@ -11,4 +11,12 @@ connectionSpecification:
       description: "List of wallet to scan"
       type: array
       items:
-        type: string
+        type: object
+        additionalProperties: true
+        properties:
+          address:
+            title: Address
+            type: string
+          name:
+            title: Name
+            type: string