diff --git a/README.md b/README.md
index 0ff8a5b..f27c270 100644
--- a/README.md
+++ b/README.md
@@ -46,7 +46,7 @@ research and community of [Web3Privacy Now](https://web3privacy.info).
 | meetup | `lju1` | 2024/Jun | 🇸🇮 Ljubljana | - | W3PN Hackathon | - |  |
 | meetup | `bcn2` | 2024/Jul | 🇪🇸 Barcelona | - | ETHBarcelona (?) | - |  |
 | meetup | `bru1` | 2024/Jul | 🇧🇪 Brussels | - | [EthCC 7](https://www.ethcc.io/) | - |  |
-| meetup | `rom1` | 2024/Oct | 🇮🇹 Rome | - | ETHRome 2024 | - |  |
+| meetup | `rom2` | 2024/Oct | 🇮🇹 Rome | - | ETHRome 2024 | - |  |
 | summit | `s3` | 2024/Nov | 🇨🇿 Brno | - | ETHBrno 2024 | - |  |
 | meetup | `dvc1` | 2024/Q4 | 🏴‍☠️ SE Asia | - | [Devcon 7](https://devcon.org/) | - |  |
 
diff --git a/events/events.yaml b/events/events.yaml
index 630e8de..d93ffad 100644
--- a/events/events.yaml
+++ b/events/events.yaml
@@ -103,7 +103,7 @@
   country: be
   coincidence: "[EthCC 7](https://www.ethcc.io/)"
 
-- id: w3pm-rom1
+- id: w3pm-rom2
   type: meetup
   date: "2024/Oct"
   city: Rome
diff --git a/index.js b/index.js
index 31f6245..655d180 100644
--- a/index.js
+++ b/index.js
@@ -24,12 +24,18 @@ async function test() {
   const validator = ajv.compile(schema);
 
   const list = await _loadYaml(`./events/events.yaml`);
+  const ids = [];
 
   for (const item of list) {
     Deno.test(`${item.id}`, async () => {
       if (!validator(item)) {
         throw validator.errors;
       }
+      if (ids.includes(item.id)) {
+        throw `ID exists: ${item.id}`
+      }
+
+      ids.push(item.id)
     });
   }
 }