1 files changed, 1 insertions, 0 deletions

diff --git a/include/konforka/pointer_map.h b/include/konforka/pointer_map.h
index d706e71..00dd486 100644
--- a/include/konforka/pointer_map.h
+++ b/include/konforka/pointer_map.h
@@ -10,12 +10,13 @@
  * The support for global mapping of pointers. Useful when using third-party
  * libraries callbacks when the library does not provide mechanism for passing
  * along custom context-dependent data.
  */
 
 namespace konforka {
+    using std::type_info;
 
     /**
      * @brief internally used actual implementation of mapping pointer.
      *
      * @param tf the typeid of the key pointer.
      * @param pf the key pointer.