diff --git a/packages/oz-merkle-tree/src/index.ts b/packages/oz-merkle-tree/src/index.ts
index 10c7935..079c482 100644
--- a/packages/oz-merkle-tree/src/index.ts
+++ b/packages/oz-merkle-tree/src/index.ts
@@ -6,7 +6,7 @@ type Proof = {
   root: string;
   entries: {
     value: string[];
-    proof: string;
+    proofs: string[];
   }[];
 };
 
@@ -25,7 +25,7 @@ const generateMerkleTree = (name: string, values: any[][], types: string[]) => {
 
     proofs.entries.push({
       value: v as string[],
-      proof: proof[0],
+      proofs: proof,
     });
   }
 
diff --git a/packages/oz-merkle-tree/test.csv b/packages/oz-merkle-tree/test.csv
index b93d57e..cacc10f 100644
--- a/packages/oz-merkle-tree/test.csv
+++ b/packages/oz-merkle-tree/test.csv
@@ -1,3 +1,5 @@
 address,amount
 0x0000000000000000000000000000000000000004,5000000000000000000
 0x0000000000000000000000000000000000000020,0
+0x0000000000000000000000000000000000000021,50
+0x0000000000000000000000000000000000000022,60