diff --git a/include/boost/mp11/algorithm.hpp b/include/boost/mp11/algorithm.hpp
index 61c8669..8f80244 100644
--- a/include/boost/mp11/algorithm.hpp
+++ b/include/boost/mp11/algorithm.hpp
@@ -26,6 +26,11 @@
 #include <type_traits>
 #include <utility>
 
+#if defined(_MSC_VER) || defined(__GNUC__)
+# pragma push_macro( "I" )
+# undef I
+#endif
+
 namespace boost
 {
 namespace mp11
@@ -1374,4 +1379,8 @@ template<class L, class S> using mp_join = mp_apply<mp_append, mp_intersperse<L,
 } // namespace mp11
 } // namespace boost
 
+#if defined(_MSC_VER) || defined(__GNUC__)
+# pragma pop_macro( "I" )
+#endif
+
 #endif // #ifndef BOOST_MP11_ALGORITHM_HPP_INCLUDED
diff --git a/include/boost/mp11/bind.hpp b/include/boost/mp11/bind.hpp
index bbdecd2..289b073 100644
--- a/include/boost/mp11/bind.hpp
+++ b/include/boost/mp11/bind.hpp
@@ -12,6 +12,11 @@
 #include <boost/mp11/utility.hpp>
 #include <cstddef>
 
+#if defined(_MSC_VER) || defined(__GNUC__)
+# pragma push_macro( "I" )
+# undef I
+#endif
+
 namespace boost
 {
 namespace mp11
@@ -108,4 +113,8 @@ template<class Q, class... T> using mp_bind_q = mp_bind<Q::template fn, T...>;
 } // namespace mp11
 } // namespace boost
 
+#if defined(_MSC_VER) || defined(__GNUC__)
+# pragma pop_macro( "I" )
+#endif
+
 #endif // #ifndef BOOST_MP11_BIND_HPP_INCLUDED
diff --git a/include/boost/mp11/integer_sequence.hpp b/include/boost/mp11/integer_sequence.hpp
index 83e2450..013991f 100644
--- a/include/boost/mp11/integer_sequence.hpp
+++ b/include/boost/mp11/integer_sequence.hpp
@@ -11,6 +11,11 @@
 #include <boost/mp11/version.hpp>
 #include <cstddef>
 
+#if defined(_MSC_VER) || defined(__GNUC__)
+# pragma push_macro( "I" )
+# undef I
+#endif
+
 #if defined(__has_builtin)
 # if __has_builtin(__make_integer_seq)
 #  define BOOST_MP11_HAS_MAKE_INTEGER_SEQ
@@ -109,4 +114,8 @@ template<class... T> using index_sequence_for = make_integer_sequence<std::size_
 } // namespace mp11
 } // namespace boost
 
+#if defined(_MSC_VER) || defined(__GNUC__)
+# pragma pop_macro( "I" )
+#endif
+
 #endif // #ifndef BOOST_MP11_INTEGER_SEQUENCE_HPP_INCLUDED
diff --git a/include/boost/mp11/integral.hpp b/include/boost/mp11/integral.hpp
index 1b4fea3..4848ac8 100644
--- a/include/boost/mp11/integral.hpp
+++ b/include/boost/mp11/integral.hpp
@@ -13,6 +13,11 @@
 #include <type_traits>
 #include <cstddef>
 
+#if defined(_MSC_VER) || defined(__GNUC__)
+# pragma push_macro( "I" )
+# undef I
+#endif
+
 namespace boost
 {
 namespace mp11
@@ -39,4 +44,8 @@ template<std::size_t N> using mp_size_t = std::integral_constant<std::size_t, N>
 } // namespace mp11
 } // namespace boost
 
+#if defined(_MSC_VER) || defined(__GNUC__)
+# pragma pop_macro( "I" )
+#endif
+
 #endif // #ifndef BOOST_MP11_INTEGRAL_HPP_INCLUDED
diff --git a/include/boost/mp11/list.hpp b/include/boost/mp11/list.hpp
index 3646764..46b5605 100644
--- a/include/boost/mp11/list.hpp
+++ b/include/boost/mp11/list.hpp
@@ -19,6 +19,11 @@
 #include <boost/mp11/detail/config.hpp>
 #include <type_traits>
 
+#if defined(_MSC_VER) || defined(__GNUC__)
+# pragma push_macro( "I" )
+# undef I
+#endif
+
 namespace boost
 {
 namespace mp11
@@ -469,4 +474,8 @@ template<class L, class Q> using mp_transform_third_q = mp_transform_third<L, Q:
 } // namespace mp11
 } // namespace boost
 
+#if defined(_MSC_VER) || defined(__GNUC__)
+# pragma pop_macro( "I" )
+#endif
+
 #endif // #ifndef BOOST_MP11_LIST_HPP_INCLUDED