Index: uspace/lib/cpp/include/impl/ostream.hpp
===================================================================
--- uspace/lib/cpp/include/impl/ostream.hpp	(revision 408256727791e30d914ee6c6423be75fb9b1bb0f)
+++ uspace/lib/cpp/include/impl/ostream.hpp	(revision 4f6e56f44e7a92c99fed16dd148aa00cf05e5157)
@@ -49,5 +49,5 @@
     basic_ostream<Char, Traits>& flush(basic_ostream<Char, Traits>& os);
 
-    template<class Char, class Tratis = char_traits<Char>>
+    template<class Char, class Traits = char_traits<Char>, class T>
     basic_ostream<Char, Traits>& operator<<(basic_ostream<Char, Traits>& os, const T& x);
 }