diff --git a/protocols/aave/index.json b/protocols/aave/index.json
index 08961dc..3e308e3 100644
--- a/protocols/aave/index.json
+++ b/protocols/aave/index.json
@@ -14,7 +14,7 @@
 	"claim": {
 		"isClaimed": false,
 		"claimer": "",
-		"signature": "",
+		"signature": ""
 	},
 	"isHybrid": false,
 	"hasDelegation": false,
diff --git a/types.d.ts b/types.d.ts
index 7c4169d..50da1a1 100644
--- a/types.d.ts
+++ b/types.d.ts
@@ -8,11 +8,11 @@ export declare const ProtocolIo: t.TypeC<{
     folder: t.StringC;
     type: t.UnionC<[t.LiteralC<"snapshot">, t.LiteralC<"compoundish">]>;
     suffix: t.StringC;
-    claim: t.TypeC<{
+    claim: t.UnionC<[t.PartialC<{
         isClaimed: t.BooleanC;
         claimer: t.StringC;
         signature: t.StringC;
-    }>;
+    }>, t.UndefinedC]>;
     coinGeckoPriceString: t.StringC;
     tokenContractAddress: t.StringC;
     governanceContractAddress: t.UnionC<[t.StringC, t.UndefinedC]>;
diff --git a/types.js b/types.js
index a350170..a007bef 100644
--- a/types.js
+++ b/types.js
@@ -30,11 +30,14 @@ exports.ProtocolIo = t.type({
     folder: t.string,
     type: t.union([t.literal("snapshot"), t.literal("compoundish")]),
     suffix: t.string,
-    claim: t.type({
-        isClaimed: t.boolean,
-        claimer: t.string,
-        signature: t.string,
-    }),
+    claim: t.union([
+        t.partial({
+            isClaimed: t.boolean,
+            claimer: t.string,
+            signature: t.string,
+        }),
+        t.undefined,
+    ]),
     coinGeckoPriceString: t.string,
     tokenContractAddress: t.string,
     governanceContractAddress: t.union([t.string, t.undefined]),
diff --git a/types.ts b/types.ts
index a759f42..51ed5eb 100644
--- a/types.ts
+++ b/types.ts
@@ -9,11 +9,14 @@ export const ProtocolIo = t.type({
   folder: t.string,
   type: t.union([t.literal("snapshot"), t.literal("compoundish")]),
   suffix: t.string,
-  claim: t.type({
-    isClaimed: t.boolean,
-    claimer: t.string,
-    signature: t.string,
-  }),
+  claim: t.union([
+    t.partial({
+      isClaimed: t.boolean,
+      claimer: t.string,
+      signature: t.string,
+    }),
+    t.undefined,
+  ]),
   coinGeckoPriceString: t.string,
   tokenContractAddress: t.string,
   governanceContractAddress: t.union([t.string, t.undefined]),