diff --git a/src/examples/zkapps/reducer/actions-as-merkle-list.ts b/src/examples/zkapps/reducer/actions-as-merkle-list.ts
index eb0ac18a0f..16ce8ea29c 100644
--- a/src/examples/zkapps/reducer/actions-as-merkle-list.ts
+++ b/src/examples/zkapps/reducer/actions-as-merkle-list.ts
@@ -85,13 +85,11 @@ class ActionsContract extends SmartContract {
     // (note: if we're past the actual sizes, `.pop()` returns a dummy Action -- in this case, the "empty" public key which is not equal to any real address)
     let hasAddress = Bool(false);
 
-    let iter = merkleActionss.startIterating();
-
     for (let i = 0; i < MAX_UPDATES_WITH_ACTIONS; i++) {
-      let merkleActions = iter.next();
-      let innerIter = merkleActions.startIterating();
+      let merkleActions = merkleActionss.pop();
+
       for (let j = 0; j < MAX_ACTIONS_PER_UPDATE; j++) {
-        let action = innerIter.next();
+        let action = merkleActions.pop();
         hasAddress = hasAddress.or(action.equals(address));
       }
     }