diff --git a/src/components/forms/DynamicForm.tsx b/src/components/forms/DynamicForm.tsx
index 556a911..5fe7d65 100644
--- a/src/components/forms/DynamicForm.tsx
+++ b/src/components/forms/DynamicForm.tsx
@@ -733,6 +733,17 @@ export function DynamicForm({ client, activityId: initialActivityId, instanceId:
         }
       }
 
+      Object.keys(payload).forEach(key => {
+        if (Array.isArray(payload[key])) {
+          payload[key] = (payload[key] as any[]).map(row => {
+            if (row && typeof row === 'object' && row.bags !== undefined) {
+              row.bags_3 = row.bags;
+            }
+            return row;
+          });
+        }
+      });
+
       let res;
       if (currentInstanceId != null) {
         res = await client.performActivity(currentInstanceId, currentActivityId, payload);