diff --git a/include/boost/container/detail/utilities.hpp b/include/boost/container/detail/utilities.hpp
index 81e0ed8..776a770 100644
--- a/include/boost/container/detail/utilities.hpp
+++ b/include/boost/container/detail/utilities.hpp
@@ -12,6 +12,7 @@
 #define BOOST_CONTAINER_DETAIL_UTILITIES_HPP
 
 #include "config_begin.hpp"
+#include "workaround.hpp"
 #include <cstdio>
 #include <cstring> //for ::memcpy
 #include <boost/type_traits/is_fundamental.hpp>
@@ -1055,18 +1056,21 @@ inline typename container_detail::enable_if_c
          ::memcpy(short_ptr, stora_ptr, sizeof_storage);
          large_ptr += sizeof_storage;
          short_ptr += sizeof_storage;
+         BOOST_CONTAINER_FALLTHOUGH
       case 3:
          ::memcpy(stora_ptr, large_ptr, sizeof_storage);
          ::memcpy(large_ptr, short_ptr, sizeof_storage);
          ::memcpy(short_ptr, stora_ptr, sizeof_storage);
          large_ptr += sizeof_storage;
          short_ptr += sizeof_storage;
+         BOOST_CONTAINER_FALLTHOUGH
       case 2:
          ::memcpy(stora_ptr, large_ptr, sizeof_storage);
          ::memcpy(large_ptr, short_ptr, sizeof_storage);
          ::memcpy(short_ptr, stora_ptr, sizeof_storage);
          large_ptr += sizeof_storage;
          short_ptr += sizeof_storage;
+         BOOST_CONTAINER_FALLTHOUGH
       case 1:
          ::memcpy(stora_ptr, large_ptr, sizeof_storage);
          ::memcpy(large_ptr, short_ptr, sizeof_storage);
diff --git a/include/boost/container/detail/workaround.hpp b/include/boost/container/detail/workaround.hpp
index 06cb733..49fe284 100644
--- a/include/boost/container/detail/workaround.hpp
+++ b/include/boost/container/detail/workaround.hpp
@@ -35,6 +35,12 @@
    #define BOOST_CONTAINER_UNIMPLEMENTED_PACK_EXPANSION_TO_FIXED_LIST
 #endif
 
+#if !defined(BOOST_FALLTHOUGH)
+   #define BOOST_CONTAINER_FALLTHOUGH
+#else
+   #define BOOST_CONTAINER_FALLTHOUGH BOOST_FALLTHOUGH;
+#endif
+
 //Macros for documentation purposes. For code, expands to the argument
 #define BOOST_CONTAINER_IMPDEF(TYPE) TYPE
 #define BOOST_CONTAINER_SEEDOC(TYPE) TYPE