diff --git a/src/adapters/third-party-wearables-fetcher.ts b/src/adapters/third-party-wearables-fetcher.ts
index fb5ea05f..7082aac7 100644
--- a/src/adapters/third-party-wearables-fetcher.ts
+++ b/src/adapters/third-party-wearables-fetcher.ts
@@ -1,7 +1,7 @@
 import LRU from 'lru-cache'
 import { IBaseComponent } from '@well-known-components/interfaces'
 import { AppComponents, Limits, ThirdPartyAsset, ThirdPartyWearable } from '../types'
-import { BlockchainCollectionThirdPartyCollection } from '@dcl/urn-resolver'
+import { BlockchainCollectionThirdPartyName } from '@dcl/urn-resolver'
 import { findAsync, parseUrn } from '../logic/utils'
 
 // TODO cache metrics
@@ -38,7 +38,7 @@ export type ThirdPartyWearablesFetcher = IBaseComponent & {
   fetchByOwner(address: string, limits: Limits): Promise<ThirdPartyWearablesResult>
   fetchCollectionByOwner(
     address: string,
-    collectionUrn: BlockchainCollectionThirdPartyCollection,
+    thirdPartyNameUrn: BlockchainCollectionThirdPartyName,
     limits: Limits
   ): Promise<ThirdPartyWearablesResult>
 }
@@ -202,7 +202,7 @@ export async function createThirdPartyWearablesFetcherComponent({
 
   async function fetchCollectionByOwner(
     address: string,
-    collectionUrn: BlockchainCollectionThirdPartyCollection,
+    thirdPartyNameUrn: BlockchainCollectionThirdPartyName,
     { offset, limit }: Limits
   ): Promise<ThirdPartyWearablesResult> {
     let results: ThirdPartyWearable[] = []
@@ -215,8 +215,7 @@ export async function createThirdPartyWearablesFetcherComponent({
         if (
           wearableUrn &&
           wearableUrn.type === URN_THIRD_PARTY_ASSET_TYPE &&
-          wearableUrn.collectionId === collectionUrn.collectionId &&
-          wearableUrn.thirdPartyName === collectionUrn.thirdPartyName
+          wearableUrn.thirdPartyName === thirdPartyNameUrn.thirdPartyName
         ) {
           results.push(wearable)
         }
@@ -226,7 +225,9 @@ export async function createThirdPartyWearablesFetcherComponent({
       (await thirdPartiesCache.fetch(0))!,
       async (thirdParty: ThirdParty): Promise<boolean> => {
         const urn = await parseUrn(thirdParty.id)
-        return !!urn && urn.type === URN_THIRD_PARTY_NAME_TYPE && urn.thirdPartyName === collectionUrn.thirdPartyName
+        return (
+          !!urn && urn.type === URN_THIRD_PARTY_NAME_TYPE && urn.thirdPartyName === thirdPartyNameUrn.thirdPartyName
+        )
       }
     )
 
@@ -234,17 +235,12 @@ export async function createThirdPartyWearablesFetcherComponent({
       // NOTE: currently lambdas return an empty array with status code 200 for this case
       throw new ThirdPartyFetcherError(
         ThirdPartyFetcherErrorCode.THIRD_PARTY_NOT_FOUND,
-        `Third Party not found ${collectionUrn.thirdPartyName}`
+        `Third Party not found ${thirdPartyNameUrn.thirdPartyName}`
       )
     }
 
     const assets = await fetchAssets(address, thirdParty)
-    results = groupThirdPartyWearablesByURN(
-      assets.filter((asset: ThirdPartyAsset) => {
-        const [collectionId, _] = asset.id.split(':')
-        return collectionId === collectionUrn.collectionId
-      })
-    )
+    results = groupThirdPartyWearablesByURN(assets)
 
     const totalAmount = results.length
     return {
diff --git a/src/controllers/handlers/wearables-handler.ts b/src/controllers/handlers/wearables-handler.ts
index a0b8c4c4..66851d8e 100644
--- a/src/controllers/handlers/wearables-handler.ts
+++ b/src/controllers/handlers/wearables-handler.ts
@@ -163,7 +163,10 @@ export async function thirdPartyCollectionWearablesHandler(
   const logger = logs.getLogger('third-party-collections-handler')
   const { address, collectionId } = context.params
 
-  const urn = await parseUrn(collectionId)
+  // Strip the last part (the 6th part) if a collection contract id is specified
+  const collectionIdCleaned = collectionId.split(':').slice(0, 5).join(':')
+
+  const urn = await parseUrn(collectionIdCleaned)
   if (!urn) {
     return {
       status: 400,
@@ -173,11 +176,12 @@ export async function thirdPartyCollectionWearablesHandler(
     }
   }
 
-  if (urn.type !== 'blockchain-collection-third-party-collection') {
+  if (urn.type !== 'blockchain-collection-third-party-name') {
     return {
       status: 400,
       body: {
-        error: 'Invalid collection id: not a blockchain-collection-third-party-collection URN'
+        error:
+          'Invalid collection id: not a blockchain-collection-third-party-name nor blockchain-collection-third-party-collection URN'
       }
     }
   }
@@ -227,7 +231,7 @@ export async function thirdPartyCollectionWearablesHandler(
           return {
             status: 502,
             body: {
-              error: 'Cannot fetch third parties right now'
+              error: 'Cannot fetch third parties right now. Third party not found'
             }
           }
         }