diff --git a/indexer/lib/vendored/multiaddr.js b/indexer/lib/vendored/multiaddr.js
index 217078c..da80592 100644
--- a/indexer/lib/vendored/multiaddr.js
+++ b/indexer/lib/vendored/multiaddr.js
@@ -6,13 +6,31 @@
  * @returns {string} Parsed URI, e.g. `http://127.0.0.1:80`
  */
 export function multiaddrToHttpUrl (addr) {
-  const [, hostType, hostValue, ipProtocol, port, scheme, ...rest] = addr.split('/')
+  const [multiAddr, httpPathMultiAddr] = addr.split('/http-path')
+  const [, hostType, hostValue, ...multiAddrParts] = multiAddr.split('/')
+  let scheme, path, rest, port
+  if (addr.includes('/http-path')) {
+    [scheme, ...rest] = multiAddrParts
+    try {
+      // Remove leading slash and parse URI-encoded path
+      // See https://github.com/multiformats/multiaddr/blob/cab92e8e6da2e70c5f1b8aa59976e71e6922b392/protocols/http-path.md#usage
+      path = decodeURIComponent(httpPathMultiAddr.substring(1))
+    } catch (err) {
+      throw Object.assign(
+        new Error(`Cannot parse "${addr}": unsupported http path`, { cause: err }),
+        { code: 'INVALID_HTTP_PATH' }
+      )
+    }
+  } else {
+    let ipProtocol
+    ;[ipProtocol, port, scheme, ...rest] = multiAddrParts
 
-  if (ipProtocol !== 'tcp') {
-    throw Object.assign(
-      new Error(`Cannot parse "${addr}": unsupported protocol "${ipProtocol}"`),
-      { code: 'UNSUPPORTED_MULTIADDR_PROTO' }
-    )
+    if (ipProtocol !== 'tcp') {
+      throw Object.assign(
+        new Error(`Cannot parse "${addr}": unsupported protocol "${ipProtocol}"`),
+        { code: 'UNSUPPORTED_MULTIADDR_PROTO' }
+      )
+    }
   }
 
   if (scheme !== 'http' && scheme !== 'https') {
@@ -29,7 +47,10 @@ export function multiaddrToHttpUrl (addr) {
     )
   }
 
-  return `${scheme}://${getUriHost(hostType, hostValue)}${getUriPort(scheme, port)}`
+  let url = `${scheme}://${getUriHost(hostType, hostValue)}`
+  if (port) url += getUriPort(scheme, port)
+  if (path) url += path
+  return url
 }
 
 function getUriHost (hostType, hostValue) {
diff --git a/indexer/test/advertisement-walker.test.js b/indexer/test/advertisement-walker.test.js
index 1b9f7b8..3056b8a 100644
--- a/indexer/test/advertisement-walker.test.js
+++ b/indexer/test/advertisement-walker.test.js
@@ -35,7 +35,6 @@ const knownAdvertisement = {
   payloadCid: 'bafkreigrnnl64xuevvkhknbhrcqzbdvvmqnchp7ae2a4ulninsjoc5svoq',
   pieceCid: 'baga6ea4seaqlwzed5tgjtyhrugjziutzthx2wrympvsuqhfngwdwqzvosuchmja'
 }
-
 describe('processNextAdvertisement', () => {
   it('ignores non-HTTP(s) addresses and explains the problem in the status', async () => {
     /** @type {ProviderInfo} */
@@ -58,6 +57,26 @@ describe('processNextAdvertisement', () => {
     })
   })
 
+  it('ignores malformed http-path addresses and explains the problem in the status', async () => {
+    /** @type {ProviderInfo} */
+    const providerInfo = {
+      providerAddress: '/dns/meridian.space/http/http-path/invalid%path',
+      lastAdvertisementCID: 'baguqeeraTEST'
+    }
+
+    const result = await processNextAdvertisement({
+      providerId,
+      providerInfo,
+      walkerState: undefined
+    })
+    assert.deepStrictEqual(result, {
+      finished: true,
+      newState: {
+        status: 'Index provider advertises over an unsupported protocol: /dns/meridian.space/http/http-path/invalid%path'
+      }
+    })
+  })
+
   it('handles a new index provider not seen before', async () => {
     /** @type {ProviderInfo} */
     const providerInfo = {