Index: uspace/lib/cpp/include/cstddef
===================================================================
--- uspace/lib/cpp/include/cstddef	(revision 8c0b781c47ab00114249107ade954663f84ecd88)
+++ uspace/lib/cpp/include/cstddef	(revision 32355bc2675221a81e8722fb213071b8c8b14979)
@@ -34,5 +34,5 @@
 namespace std
 {
-    using ::nullptr_t;
+    using nullptr_t = decltype(nullptr);
     using ::size_t;
     using ::ptrdiff_t;