diff --git a/clang/tools/libclang/linker-script-to-export-list.py b/clang/tools/libclang/linker-script-to-export-list.py
index aa035c7ed4e436..4b57be03c6c705 100644
--- a/clang/tools/libclang/linker-script-to-export-list.py
+++ b/clang/tools/libclang/linker-script-to-export-list.py
@@ -1,5 +1,6 @@
 import re
 import os
+import sys
 
 input_file = open(sys.argv[1])
 output_file = open(sys.argv[2])