diff --git a/build.py b/build.py
index 60b189d2e32c1b92a49199b0dfa13d5723ca2fc3..9987fe838ad46b9b88d023ada3799f71cc009873 100755
--- a/build.py
+++ b/build.py
@@ -63,6 +63,8 @@ def build(path, args_list):
         if "using_hb_new=false" in args:
             cmd = [python_executable, 'build/lite/hb/__main__.py', 'build'] + args_list
             break
+    if not os.path.exists(os.path.join(path,'build/hb/main.py')):
+        cmd = [python_executable, 'build/lite/hb/__main__.py', 'build'] + args_list
     return check_output(cmd, cwd=path)