diff --git a/src/pal/include/occlum_pal_api.h b/src/pal/include/occlum_pal_api.h
index 967a0213..db9eced1 100644
--- a/src/pal/include/occlum_pal_api.h
+++ b/src/pal/include/occlum_pal_api.h
@@ -161,7 +161,7 @@ int occlum_pal_exec(struct occlum_pal_exec_args *args);
 int occlum_pal_kill(int pid, int sig);
 
 /*
- * @brief Destroy teh Occlum enclave
+ * @brief Destroy the Occlum enclave
  *
  * @retval if 0, then success; otherwise, check errno for the exact error type.
  */
diff --git a/src/pal/src/pal_api.c b/src/pal/src/pal_api.c
index b1c6dc2d..0eafcaf0 100644
--- a/src/pal/src/pal_api.c
+++ b/src/pal/src/pal_api.c
@@ -148,10 +148,15 @@ int occlum_pal_init(const struct occlum_pal_attr *attr) {
 
     if (pal_run_init_process() < 0) {
         PAL_ERROR("Failed to run the init process: %s", errno2str(errno));
-        goto on_destroy_enclave;
+        goto stop_interrupt_thread;
     }
 
     return 0;
+
+stop_interrupt_thread:
+    if (pal_interrupt_thread_stop() < 0) {
+        PAL_WARN("Cannot stop the interrupt thread: %s", errno2str(errno));
+    }
 on_destroy_enclave:
     if (pal_destroy_enclave() < 0) {
         PAL_WARN("Cannot destroy the enclave");