diff --git a/build/metrics/binary_size.py b/build/metrics/binary_size.py
index 52c661e7d..f6009f42a 100644
--- a/build/metrics/binary_size.py
+++ b/build/metrics/binary_size.py
@@ -140,6 +140,6 @@ for i,filename in enumerate(args.files):
 formatted_table = format_table(table)
 
 if args.escape:
-  print(urllib.parse.quote(formatted_table, safe='| :*+'))
+  print(urllib.parse.quote(formatted_table, safe='| :*+()'))
 else:
   print(formatted_table)