diff --git a/libc/bionic/libc_init_dynamic.cpp b/libc/bionic/libc_init_dynamic.cpp
index c5606fb..0def359 100644
--- a/libc/bionic/libc_init_dynamic.cpp
+++ b/libc/bionic/libc_init_dynamic.cpp
@@ -130,7 +130,7 @@
   // so we need to ensure that these are called when the program exits
   // normally.
   if (structors->fini_array) {
-    __cxa_atexit(__libc_fini,structors->fini_array,NULL);
+    __cxa_atexit(__libc_fini,structors->fini_array,nullptr);
   }
 
   exit(slingshot(args.argc, args.argv, args.envp));