diff --git a/libc/tools/check-symbols-glibc.py b/libc/tools/check-symbols-glibc.py
index 3185c81..631fd93 100755
--- a/libc/tools/check-symbols-glibc.py
+++ b/libc/tools/check-symbols-glibc.py
@@ -88,7 +88,7 @@
   'strlcpy',
   'sys_signame',
   'wcslcat',
-  'wcslcpy'
+  'wcslcpy',
 ])
 # Some symbols are part of the FORTIFY implementation.
 FORTIFY_stuff = set([