diff --git a/src/claimDefinitions/activitypub.js b/src/claimDefinitions/activitypub.js
index afdf00f..b3a80f9 100644
--- a/src/claimDefinitions/activitypub.js
+++ b/src/claimDefinitions/activitypub.js
@@ -25,7 +25,7 @@ const processURI = (uri) => {
     },
     match: {
       regularExpression: reURI,
-      isAmbiguous: false
+      isAmbiguous: true
     },
     profile: {
       display: uri,