diff --git a/worker/cmd_provider.go b/worker/cmd_provider.go
index 8ce3d70..2274cec 100644
--- a/worker/cmd_provider.go
+++ b/worker/cmd_provider.go
@@ -64,6 +64,7 @@ func (p *cmdProvider) Start() error {
 		"TUNASYNC_MIRROR_NAME":  p.Name(),
 		"TUNASYNC_WORKING_DIR":  p.WorkingDir(),
 		"TUNASYNC_UPSTREAM_URL": p.upstreamURL,
+		"TUNASYNC_LOG_DIR":      p.LogDir(),
 		"TUNASYNC_LOG_FILE":     p.LogFile(),
 	}
 	for k, v := range p.env {
diff --git a/worker/exec_post_hook.go b/worker/exec_post_hook.go
index 16e5d16..22a9ec6 100644
--- a/worker/exec_post_hook.go
+++ b/worker/exec_post_hook.go
@@ -71,6 +71,7 @@ func (h *execPostHook) Do() error {
 		"TUNASYNC_MIRROR_NAME":     p.Name(),
 		"TUNASYNC_WORKING_DIR":     p.WorkingDir(),
 		"TUNASYNC_UPSTREAM_URL":    p.Upstream(),
+		"TUNASYNC_LOG_DIR":         p.LogDir(),
 		"TUNASYNC_LOG_FILE":        p.LogFile(),
 		"TUNASYNC_JOB_EXIT_STATUS": exitStatus,
 	}