diff --git a/src/misc/pv/sharedPtr.h b/src/misc/pv/sharedPtr.h
index c9b337d..2ecae52 100644
--- a/src/misc/pv/sharedPtr.h
+++ b/src/misc/pv/sharedPtr.h
@@ -67,6 +67,7 @@ namespace std {
         using std::dynamic_pointer_cast;
         using std::const_pointer_cast;
         using std::enable_shared_from_this;
+        using std::bad_weak_ptr;
     }
 }