Index: uspace/lib/cpp/include/impl/unordered_map.hpp
===================================================================
--- uspace/lib/cpp/include/impl/unordered_map.hpp	(revision c23f16d8fd40289080b4a46e7912dcbc1e18039a)
+++ uspace/lib/cpp/include/impl/unordered_map.hpp	(revision 6d802372f7d3ca5a65c987d47e64dbec744b58d9)
@@ -835,7 +835,7 @@
             static constexpr size_type default_bucket_count_{16};
 
-            template<class Key, class Value, class Hash, class Pred, class Alloc>
-            friend bool operator==(unordered_map<Key, Value, Hash, Pred, Alloc>&,
-                                   unordered_map<Key, Value, Hash, Pred, Alloc>&);
+            template<class K, class V, class H, class P, class A>
+            friend bool operator==(unordered_map<K, V, H, P, A>&,
+                                   unordered_map<K, V, H, P, A>&);
     };