diff --git a/components/sc/buyTicket.tsx b/components/sc/buyTicket.tsx
index 877c743..01dfa40 100644
--- a/components/sc/buyTicket.tsx
+++ b/components/sc/buyTicket.tsx
@@ -38,9 +38,11 @@ const BuyTicket = () => {
 
   // Handle buying a ticket for the event
   const handleBuyTicket = async () => {
-    if (!eventId) {
-      alert('Please enter a valid Event ID.');
-      return;
+    if (eventId !== null) {
+      if (eventId < 0) {
+        alert('Please enter a valid Event ID.');
+        return;
+      }
     }
 
     try {
diff --git a/contracts/EventManager.sol b/contracts/EventManager.sol
index d59c3f7..1485b9a 100644
--- a/contracts/EventManager.sol
+++ b/contracts/EventManager.sol
@@ -129,6 +129,7 @@ contract EventManager {
         ticketCounter++;
 
         // Update number of tickets sold
+        events[_eventId].tickets.push(ticketCounter - 1);
         events[_eventId].ticketsSold++;
 
         // Transfer FLR to event host
diff --git a/lib/ethers.ts b/lib/ethers.ts
index 3c4c788..5f5c093 100644
--- a/lib/ethers.ts
+++ b/lib/ethers.ts
@@ -2,7 +2,7 @@ import { ethers } from 'ethers';
 
 const FLARE_TESTNET_RPC_URL = 'https://coston2.enosys.global/ext/C/rpc';
 
-const CONTRACT_ADDRESS = '0xA4E90EF8f5846C568515e9120635edb1f2776842';
+const CONTRACT_ADDRESS = '0xA171873976afaf4b1442c959C2e03b7d52656340';
 
 export function getFlareProvider() {
   const flareRpcUrl = FLARE_TESTNET_RPC_URL;