diff --git a/include/boost/fusion/adapted/std_array/tag_of.hpp b/include/boost/fusion/adapted/std_array/tag_of.hpp
index f307be2d..543c5bb4 100644
--- a/include/boost/fusion/adapted/std_array/tag_of.hpp
+++ b/include/boost/fusion/adapted/std_array/tag_of.hpp
@@ -9,16 +9,10 @@
 #define BOOST_FUSION_STD_ARRAY_TAG_OF_01062013_1700
 
 #include <boost/fusion/support/tag_of_fwd.hpp>
-
+#include <array>
 #include <cstddef>
 
-namespace std 
-{ 
-    template<typename T, std::size_t N>
-    struct array;
-}
-
-namespace boost { namespace fusion 
+namespace boost { namespace fusion
 {
     struct std_array_tag;
     struct fusion_sequence_tag;