diff --git a/pkg/worker/work_runner.go b/pkg/worker/work_runner.go
index f0cb7fa..ad4e8f2 100644
--- a/pkg/worker/work_runner.go
+++ b/pkg/worker/work_runner.go
@@ -39,7 +39,7 @@ func Run(work *model.WorkRequest) error {
 	// Exec script with args...
 	cmd := exec.Command(binary, work.Payload)
 	// with env variables...
-	workEnv := append(os.Environ(), fmt.Sprintf("HOOK_ID=%d", work.ID))
+	workEnv := append(os.Environ(), fmt.Sprintf("hook_id=%d", work.ID))
 	cmd.Env = append(workEnv, work.Args...)
 	// using a process group...
 	cmd.SysProcAttr = &syscall.SysProcAttr{Setpgid: true}