diff --git a/include/boost/json/detail/parse_into.hpp b/include/boost/json/detail/parse_into.hpp
index dc1ff2733..32e65ddb5 100644
--- a/include/boost/json/detail/parse_into.hpp
+++ b/include/boost/json/detail/parse_into.hpp
@@ -587,8 +587,6 @@ class converting_handler<sequence_conversion_tag, V, P>
             return false;
         }
 
-        inserter = detail::inserter(*value_, inserter_implementation<V>());
-
         return converting_handler::composite_handler::signal_end(ec);
     }
 
@@ -599,6 +597,7 @@ class converting_handler<sequence_conversion_tag, V, P>
 
         this->inner_active_ = true;
         clear_container( *value_, inserter_implementation<V>() );
+        inserter = detail::inserter(*value_, inserter_implementation<V>());
         return true;
     }
 
diff --git a/test/parse_into.cpp b/test/parse_into.cpp
index c6f8e9f2a..565ea1db5 100644
--- a/test/parse_into.cpp
+++ b/test/parse_into.cpp
@@ -14,6 +14,7 @@
 #include <boost/json/serialize.hpp>
 #include <boost/json/value_from.hpp>
 #include <boost/json/value_to.hpp>
+#include <boost/container/flat_set.hpp>
 #include <boost/describe.hpp>
 
 #include <climits>
@@ -326,6 +327,17 @@ class parse_into_test
 
         parse_into(v, "[5,6,7]");
         BOOST_TEST( v.size() == 3 );
+
+        // containers that are filled through an insert iterator
+        testParseInto< std::vector<container::flat_set<int>> >(
+            { {}, { 1 }, { 2, 3 }, { 4, 5, 6 } } );
+
+        container::flat_set<int> s;
+        parse_into(s, "[1,2,3,4]");
+        BOOST_TEST( s.size() == 4 );
+
+        parse_into(s, "[5,6,7]");
+        BOOST_TEST( s.size() == 3 );
     }
 
     void testMap()