Index: uspace/lib/cpp/include/cstddef
===================================================================
--- uspace/lib/cpp/include/cstddef	(revision 8c0b781c47ab00114249107ade954663f84ecd88)
+++ uspace/lib/cpp/include/cstddef	(revision c4e5d4062607ba296514693b66071dec8303c580)
@@ -34,5 +34,5 @@
 namespace std
 {
-    using ::nullptr_t;
+    using nullptr_t = decltype(nullptr);
     using ::size_t;
     using ::ptrdiff_t;