diff --git a/src/GitLink/Providers/ProviderBase.cs b/src/GitLink/Providers/ProviderBase.cs
index d1f7a89..32176ab 100644
--- a/src/GitLink/Providers/ProviderBase.cs
+++ b/src/GitLink/Providers/ProviderBase.cs
@@ -75,6 +75,8 @@ public string GetShaHashOfCurrentBranch(Context context, TemporaryFilesContext t
                 repositoryDirectory = _repositoryPreparer.Prepare(context, temporaryFilesContext);
             }
 
+            repositoryDirectory = GitDirFinder.TreeWalkForGitDir(repositoryDirectory);
+
             using (var repository = new Repository(repositoryDirectory))
             {
                 if (string.IsNullOrEmpty(context.ShaHash))