diff --git a/internal/app/run/runner.go b/internal/app/run/runner.go
index 483415a..477fc93 100644
--- a/internal/app/run/runner.go
+++ b/internal/app/run/runner.go
@@ -185,7 +185,7 @@ func (r *Runner) run(ctx context.Context, task *runnerv1.Task, reporter *report.
 	runnerConfig := &runner.Config{
 		// On Linux, Workdir will be like "/<parent_directory>/<owner>/<repo>"
 		// On Windows, Workdir will be like "\<parent_directory>\<owner>\<repo>"
-		Workdir:        filepath.FromSlash(fmt.Sprintf("/%s/%s", r.cfg.Container.WorkdirParent, preset.Repository)),
+		Workdir:        filepath.FromSlash(filepath.Clean(fmt.Sprintf("/%s/%s", r.cfg.Container.WorkdirParent, preset.Repository))),
 		BindWorkdir:    false,
 		ActionCacheDir: filepath.FromSlash(r.cfg.Host.WorkdirParent),