diff --git a/src/thread.c b/src/thread.c
index 51e65e6e6280286b8e0c2b5202999c5c1f629800..e67fbe048563c7d31175619ec671bb079d7a5d73 100644
--- a/src/thread.c
+++ b/src/thread.c
@@ -162,7 +162,7 @@ static rt_err_t _rt_thread_init(struct rt_thread *thread,
     thread->number_mask = 0;
 #if RT_THREAD_PRIORITY_MAX > 32
     thread->number = 0;
-    therad->high_mask = 0;
+    thread->high_mask = 0;
 #endif
 
     /* tick init */