diff --git a/web/public/api/webfinger.go b/web/public/api/webfinger.go
index 7b49d70..3ae5238 100644
--- a/web/public/api/webfinger.go
+++ b/web/public/api/webfinger.go
@@ -18,7 +18,7 @@ import (
 	webshared "git.mstar.dev/mstar/linstrom/web/shared"
 )
 
-var webfingerResourceRegex = regexp.MustCompile(`acct:(?P<username>[\w-]+)@(?<domain>[\w\.-]+)`)
+var webfingerResourceRegex = regexp.MustCompile(`acct:(?P<username>[\w\.-]+)@(?<domain>[\w\.-]+)`)
 
 func WellKnownWebfinger(w http.ResponseWriter, r *http.Request) {
 	type OutboundLink struct {