diff --git a/src/Mastodon.ts b/src/Mastodon.ts
index 755725e..39b57e4 100644
--- a/src/Mastodon.ts
+++ b/src/Mastodon.ts
@@ -186,16 +186,12 @@ ${text.split("\n").map(txt => "  > " + txt).join("\n")}`)
         return overview.length + rest.join("\n").length + 1
     }
 
-    private static notMastodon = ["wiki.openstreetmap.org", "hdyc.neis-one.org", "matrix.to","facebook.com","github", "tasks.hotosm.org","community.openstreetmap.org","mapillary.com","wikimedia.org","wikipedia.org","wikidata.org"]
-    private static isMastodon = ["en.osm.town", ".social", "mstdn", "mastodon", "mapstodon","masto"]
+    // Fediverse profiles look like this:
+    // Mastodon, Akkoma, etc.: https://foo.bar/@user
+    // Friendica: https://foo.bar/profile/user
+    private static isProbablyMastodon = new RegExp("^https?://[^/]+/(profile/|@)[^/]+/?$")
 
     static isProbablyMastodonLink(link: string) {
-        if (this.isMastodon.some(white => link.indexOf(white) >= 0)) {
-            return true
-        }
-        if (this.notMastodon.some(black => link.indexOf(black) >= 0)) {
-            return false
-        }
-        return true; // probably?
+        return this.isProbablyMastodon.test(link)
     }
-}
\ No newline at end of file
+}
diff --git a/src/test.ts b/src/test.ts
index 7996b27..9b1731b 100644
--- a/src/test.ts
+++ b/src/test.ts
@@ -3,10 +3,21 @@ import MastodonPoster from "./Mastodon";
 
 console.log("Hello world")
 
+const uids = [
+    1214300,  // tornooc
+    4685130,  // contrapunctus
+    8404193,  // queerthoughts
+    153277,  // rompe
+]
 
-new OsmUserInfo(1214300).getMeLinks().then(links => {
-    console.log("Got links:", links);
+for (const uid of uids) {
+  new OsmUserInfo(uid).getMeLinks().then((links) => {
+    console.log("Got links for uid", uid, ":", links);
     for (const link of links) {
-        console.log(link, MastodonPoster.isProbablyMastodonLink(link) ? "Mastodon" : "NOT mastodon")
+      console.log(
+        link,
+        MastodonPoster.isProbablyMastodonLink(link) ? "Mastodon" : "NOT mastodon"
+      );
     }
-})
\ No newline at end of file
+  });
+}