diff --git a/lib/widgets/composer/composer.dart b/lib/widgets/composer/composer.dart
index 4baad68..b32d5dc 100644
--- a/lib/widgets/composer/composer.dart
+++ b/lib/widgets/composer/composer.dart
@@ -440,8 +440,8 @@ class const Composer(
                                   null => FlutterTagger(
                                     triggerStrategy: .eager,
                                     // Characters that continue a search, for
-                                    // e.g. :+1, :custom_emoji or @user.name
-                                    searchRegex: .new(r"^[\w.+-]*$"),
+                                    // e.g. :+1, :custom_emoji or @user:server
+                                    searchRegex: .new(r"^[\w.:+-]*$"),
                                     overlay: TaggerOverlay(
                                       query.value,
                                       roomId: roomId,