diff --git a/egs/wsj/s5/steps/libs/common.py b/egs/wsj/s5/steps/libs/common.py
index 17b8ad89064..6bf0ea4932c 100644
--- a/egs/wsj/s5/steps/libs/common.py
+++ b/egs/wsj/s5/steps/libs/common.py
@@ -20,7 +20,7 @@
 import threading
 
 try:
-    import _thread as thread_module
+    import thread as thread_module
 except:
     import _thread as thread_module