diff --git a/include/boost/unordered/detail/foa.hpp b/include/boost/unordered/detail/foa.hpp
index 6cca237e..b0fa97d0 100644
--- a/include/boost/unordered/detail/foa.hpp
+++ b/include/boost/unordered/detail/foa.hpp
@@ -1570,6 +1570,7 @@ private:
 
   struct erase_on_exit
   {
+    erase_on_exit(table& x_,iterator it_):x{x_},it{it_}{}
     ~erase_on_exit(){if(!rollback_)x.erase(it);}
 
     void rollback(){rollback_=true;}