diff --git a/src/create.ts b/src/create.ts
index 8a6cb0b..30b0153 100644
--- a/src/create.ts
+++ b/src/create.ts
@@ -43,7 +43,7 @@ ${ns.rdf('seeAlso')} <${chatThing.value}> .
 function determineChatContainer (invitee, podRoot) {
   // Create chat
   // See https://gitter.im/solid/chat-app?at=5f3c800f855be416a23ae74a
-  const chatContainerStr = new URL(`IndividualChats/${new URL(invitee.value).host}/`, podRoot.value).toString()
+  const chatContainerStr = new URL(`IndividualChats/${new URL(invitee.value).hostname}/`, podRoot.value).toString()
   return new NamedNode(chatContainerStr)
 }