diff --git a/test/ref_conversion_test.cpp b/test/ref_conversion_test.cpp
index 6c336ca..2eed2ba 100644
--- a/test/ref_conversion_test.cpp
+++ b/test/ref_conversion_test.cpp
@@ -6,7 +6,7 @@
 //  See accompanying file LICENSE_1_0.txt or copy at
 //  http://www.boost.org/LICENSE_1_0.txt
 
-#include <boost/ref.hpp>
+#include <boost/core/ref.hpp>
 #include <boost/core/lightweight_test.hpp>
 
 struct X
diff --git a/test/ref_ct_test.cpp b/test/ref_ct_test.cpp
index d69d013..624e007 100644
--- a/test/ref_ct_test.cpp
+++ b/test/ref_ct_test.cpp
@@ -3,7 +3,7 @@
 // 1.0. (See accompanying file LICENSE_1_0.txt or copy at
 // http://www.boost.org/LICENSE_1_0.txt)
 
-// compile-time test for "boost/ref.hpp" header content
+// compile-time test for "boost/core/ref.hpp" header content
 // see 'ref_test.cpp' for run-time part
 
 #include <boost/core/ref.hpp>
diff --git a/test/ref_cv_test.cpp b/test/ref_cv_test.cpp
index 734d9b3..bfba505 100644
--- a/test/ref_cv_test.cpp
+++ b/test/ref_cv_test.cpp
@@ -6,7 +6,7 @@
 //  See accompanying file LICENSE_1_0.txt or copy at
 //  http://www.boost.org/LICENSE_1_0.txt
 
-#include <boost/ref.hpp>
+#include <boost/core/ref.hpp>
 #include <boost/core/lightweight_test.hpp>
 
 #define BOOST_TEST_REF( x ) BOOST_TEST( &boost::ref( x ).get() == &x )
diff --git a/test/ref_fn_test.cpp b/test/ref_fn_test.cpp
index be13824..83fdbd8 100644
--- a/test/ref_fn_test.cpp
+++ b/test/ref_fn_test.cpp
@@ -15,7 +15,7 @@
 //  See accompanying file LICENSE_1_0.txt or copy at
 //  http://www.boost.org/LICENSE_1_0.txt
 
-#include <boost/ref.hpp>
+#include <boost/core/ref.hpp>
 #include <boost/core/lightweight_test.hpp>
 
 
diff --git a/test/ref_implicit_fail.cpp b/test/ref_implicit_fail.cpp
index a012f52..4f384f6 100644
--- a/test/ref_implicit_fail.cpp
+++ b/test/ref_implicit_fail.cpp
@@ -8,7 +8,7 @@
 // http://www.boost.org/LICENSE_1_0.txt
 //
 
-#include <boost/ref.hpp>
+#include <boost/core/ref.hpp>
 
 void f( boost::reference_wrapper< int > )
 {
diff --git a/test/ref_implicit_fail2.cpp b/test/ref_implicit_fail2.cpp
index ff67630..e33c6fc 100644
--- a/test/ref_implicit_fail2.cpp
+++ b/test/ref_implicit_fail2.cpp
@@ -8,7 +8,7 @@
 // http://www.boost.org/LICENSE_1_0.txt
 //
 
-#include <boost/ref.hpp>
+#include <boost/core/ref.hpp>
 
 void f( boost::reference_wrapper< int const > )
 {
diff --git a/test/ref_implicit_fail3.cpp b/test/ref_implicit_fail3.cpp
index 726feb4..5a45976 100644
--- a/test/ref_implicit_fail3.cpp
+++ b/test/ref_implicit_fail3.cpp
@@ -8,7 +8,7 @@
 // http://www.boost.org/LICENSE_1_0.txt
 //
 
-#include <boost/ref.hpp>
+#include <boost/core/ref.hpp>
 
 struct X
 {
diff --git a/test/ref_implicit_fail4.cpp b/test/ref_implicit_fail4.cpp
index 5f5e0c9..6fda3ce 100644
--- a/test/ref_implicit_fail4.cpp
+++ b/test/ref_implicit_fail4.cpp
@@ -8,7 +8,7 @@
 // http://www.boost.org/LICENSE_1_0.txt
 //
 
-#include <boost/ref.hpp>
+#include <boost/core/ref.hpp>
 
 void f( boost::reference_wrapper< int const > )
 {
diff --git a/test/ref_ref_test.cpp b/test/ref_ref_test.cpp
index 46be561..064b3d2 100644
--- a/test/ref_ref_test.cpp
+++ b/test/ref_ref_test.cpp
@@ -11,7 +11,7 @@
 // http://www.boost.org/LICENSE_1_0.txt
 //
 
-#include <boost/ref.hpp>
+#include <boost/core/ref.hpp>
 #include <boost/core/lightweight_test.hpp>
 
 template<class T> void test( T const & t )
diff --git a/test/ref_rv_fail1.cpp b/test/ref_rv_fail1.cpp
index 1c0a2e6..95bba18 100644
--- a/test/ref_rv_fail1.cpp
+++ b/test/ref_rv_fail1.cpp
@@ -8,7 +8,7 @@
 // http://www.boost.org/LICENSE_1_0.txt
 //
 
-#include <boost/ref.hpp>
+#include <boost/core/ref.hpp>
 
 #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
 
diff --git a/test/ref_rv_fail2.cpp b/test/ref_rv_fail2.cpp
index 8ce2680..20657bf 100644
--- a/test/ref_rv_fail2.cpp
+++ b/test/ref_rv_fail2.cpp
@@ -8,7 +8,7 @@
 // http://www.boost.org/LICENSE_1_0.txt
 //
 
-#include <boost/ref.hpp>
+#include <boost/core/ref.hpp>
 
 int main()
 {
diff --git a/test/ref_rv_fail3.cpp b/test/ref_rv_fail3.cpp
index 14b39b8..dd3b5b6 100644
--- a/test/ref_rv_fail3.cpp
+++ b/test/ref_rv_fail3.cpp
@@ -8,7 +8,7 @@
 // http://www.boost.org/LICENSE_1_0.txt
 //
 
-#include <boost/ref.hpp>
+#include <boost/core/ref.hpp>
 
 #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
 
diff --git a/test/ref_rv_fail4.cpp b/test/ref_rv_fail4.cpp
index 899de7b..9a8bc50 100644
--- a/test/ref_rv_fail4.cpp
+++ b/test/ref_rv_fail4.cpp
@@ -9,7 +9,7 @@
 // http://www.boost.org/LICENSE_1_0.txt
 //
 
-#include <boost/ref.hpp>
+#include <boost/core/ref.hpp>
 
 #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
 
diff --git a/test/ref_rv_fail5.cpp b/test/ref_rv_fail5.cpp
index ed18edf..5ddbc5f 100644
--- a/test/ref_rv_fail5.cpp
+++ b/test/ref_rv_fail5.cpp
@@ -9,7 +9,7 @@
 // http://www.boost.org/LICENSE_1_0.txt
 //
 
-#include <boost/ref.hpp>
+#include <boost/core/ref.hpp>
 
 #if !defined(BOOST_NO_CXX11_RVALUE_REFERENCES)
 
diff --git a/test/ref_test.cpp b/test/ref_test.cpp
index 78585ad..2efbcde 100644
--- a/test/ref_test.cpp
+++ b/test/ref_test.cpp
@@ -3,7 +3,7 @@
 // 1.0. (See accompanying file LICENSE_1_0.txt or copy at
 // http://www.boost.org/LICENSE_1_0.txt)
 
-// run-time test for "boost/ref.hpp" header content
+// run-time test for "boost/core/ref.hpp" header content
 // see 'ref_ct_test.cpp' for compile-time part
 
 #include <boost/core/ref.hpp>