diff --git a/src/merkletree.ts b/src/merkletree.ts
index eda1b81..69a92e3 100644
--- a/src/merkletree.ts
+++ b/src/merkletree.ts
@@ -49,6 +49,7 @@ export abstract class MerkleTreeImpl<T> implements MerkleTree<T> {
       'Leaf values cannot be numbers',
     );
     this.hashLookup = Object.fromEntries(values.map(({ treeIndex }, valueIndex) => [tree[treeIndex], valueIndex]));
+    this.validate();
   }
 
   protected static prepare<T>(
diff --git a/src/simple.ts b/src/simple.ts
index ff1d550..9029d80 100644
--- a/src/simple.ts
+++ b/src/simple.ts
@@ -33,7 +33,6 @@ export class SimpleMerkleTree extends MerkleTreeImpl<BytesLike> {
     );
 
     const tree = new SimpleMerkleTree(data.tree, data.values, formatLeaf, nodeHash);
-    tree.validate();
     return tree;
   }
 
diff --git a/src/standard.ts b/src/standard.ts
index c69488d..434b5a2 100644
--- a/src/standard.ts
+++ b/src/standard.ts
@@ -34,7 +34,6 @@ export class StandardMerkleTree<T extends any[]> extends MerkleTreeImpl<T> {
     validateArgument(data.leafEncoding !== undefined, 'Expected leaf encoding');
 
     const tree = new StandardMerkleTree(data.tree, data.values, data.leafEncoding);
-    tree.validate();
     return tree;
   }