diff --git a/lib/librarian/source/git/repository.rb b/lib/librarian/source/git/repository.rb
index 65d825d0..dba5ccbc 100644
--- a/lib/librarian/source/git/repository.rb
+++ b/lib/librarian/source/git/repository.rb
@@ -128,7 +128,7 @@ def run!(args, options = { })
 
           silent = options.delete(:silent)
           pwd = chdir || Dir.pwd
-          git_dir = File.join(path, ".git") if path
+          git_dir = File.join(path.realpath, ".git") if path
           env = {"GIT_DIR" => git_dir}
 
           command = [bin]