diff --git a/RepoZ.App.Mac/AppDelegate.cs b/RepoZ.App.Mac/AppDelegate.cs
index 26ac9956..1d69597a 100644
--- a/RepoZ.App.Mac/AppDelegate.cs
+++ b/RepoZ.App.Mac/AppDelegate.cs
@@ -149,7 +149,7 @@ public Ipc.Repository[] GetMatchingRepositories(string repositoryNamePattern)
         {
             var aggregator = TinyIoCContainer.Current.Resolve<IRepositoryInformationAggregator>();
             return aggregator.Repositories
-                .Where(r => string.IsNullOrEmpty(repositoryNamePattern) || Regex.IsMatch(r.Name, repositoryNamePattern, RegexOptions.IgnoreCase))
+                .Where(r => r.MatchesRegexFilter(repositoryNamePattern))
                 .Select(r => new Ipc.Repository
                 {
                     Name = r.Name,