diff --git a/include/boost/config/compiler/comeau.hpp b/include/boost/config/compiler/comeau.hpp
index 278222dc..09841604 100644
--- a/include/boost/config/compiler/comeau.hpp
+++ b/include/boost/config/compiler/comeau.hpp
@@ -12,7 +12,7 @@
 
 //  Comeau C++ compiler setup:
 
-#include "boost/config/compiler/common_edg.hpp"
+#include <boost/config/compiler/common_edg.hpp>
 
 #if (__COMO_VERSION__ <= 4245)
 
diff --git a/include/boost/config/compiler/compaq_cxx.hpp b/include/boost/config/compiler/compaq_cxx.hpp
index b44486c6..4d6b8ab3 100644
--- a/include/boost/config/compiler/compaq_cxx.hpp
+++ b/include/boost/config/compiler/compaq_cxx.hpp
@@ -9,7 +9,7 @@
 
 #define BOOST_COMPILER "HP Tru64 C++ " BOOST_STRINGIZE(__DECCXX_VER)
 
-#include "boost/config/compiler/common_edg.hpp"
+#include <boost/config/compiler/common_edg.hpp>
 
 //
 // versions check:
diff --git a/include/boost/config/compiler/cray.hpp b/include/boost/config/compiler/cray.hpp
index 3f660433..86a8df84 100644
--- a/include/boost/config/compiler/cray.hpp
+++ b/include/boost/config/compiler/cray.hpp
@@ -21,7 +21,7 @@
 #  error "Unsupported Cray compiler, please try running the configure script."
 #endif
 
-#include "boost/config/compiler/common_edg.hpp"
+#include <boost/config/compiler/common_edg.hpp>
 
 
 //
diff --git a/include/boost/config/compiler/greenhills.hpp b/include/boost/config/compiler/greenhills.hpp
index 038b6b2b..a76a07cf 100644
--- a/include/boost/config/compiler/greenhills.hpp
+++ b/include/boost/config/compiler/greenhills.hpp
@@ -9,7 +9,7 @@
 
 #define BOOST_COMPILER "Greenhills C++ version " BOOST_STRINGIZE(__ghs)
 
-#include "boost/config/compiler/common_edg.hpp"
+#include <boost/config/compiler/common_edg.hpp>
 
 //
 // versions check:
diff --git a/include/boost/config/compiler/hp_acc.hpp b/include/boost/config/compiler/hp_acc.hpp
index fb63839a..a22856a4 100644
--- a/include/boost/config/compiler/hp_acc.hpp
+++ b/include/boost/config/compiler/hp_acc.hpp
@@ -13,7 +13,7 @@
 //  HP aCC C++ compiler setup:
 
 #if defined(__EDG__)
-#include "boost/config/compiler/common_edg.hpp"
+#include <boost/config/compiler/common_edg.hpp>
 #endif
 
 #if (__HP_aCC <= 33100)
diff --git a/include/boost/config/compiler/intel.hpp b/include/boost/config/compiler/intel.hpp
index 88ac023a..80969e9e 100644
--- a/include/boost/config/compiler/intel.hpp
+++ b/include/boost/config/compiler/intel.hpp
@@ -90,7 +90,7 @@
 
 #else
 
-#include "boost/config/compiler/common_edg.hpp"
+#include <boost/config/compiler/common_edg.hpp>
 
 #if defined(__INTEL_COMPILER)
 #if __INTEL_COMPILER == 9999
diff --git a/include/boost/config/compiler/kai.hpp b/include/boost/config/compiler/kai.hpp
index 2337e6a8..960d501c 100644
--- a/include/boost/config/compiler/kai.hpp
+++ b/include/boost/config/compiler/kai.hpp
@@ -9,7 +9,7 @@
 
 //  Kai C++ compiler setup:
 
-#include "boost/config/compiler/common_edg.hpp"
+#include <boost/config/compiler/common_edg.hpp>
 
 #   if (__KCC_VERSION <= 4001) || !defined(BOOST_STRICT_CONFIG)
       // at least on Sun, the contents of <cwchar> is not in namespace std
diff --git a/include/boost/config/compiler/sgi_mipspro.hpp b/include/boost/config/compiler/sgi_mipspro.hpp
index 90688314..54433c99 100644
--- a/include/boost/config/compiler/sgi_mipspro.hpp
+++ b/include/boost/config/compiler/sgi_mipspro.hpp
@@ -9,7 +9,7 @@
 
 #define BOOST_COMPILER "SGI Irix compiler version " BOOST_STRINGIZE(_COMPILER_VERSION)
 
-#include "boost/config/compiler/common_edg.hpp"
+#include <boost/config/compiler/common_edg.hpp>
 
 //
 // Threading support:
diff --git a/include/boost/config/select_compiler_config.hpp b/include/boost/config/select_compiler_config.hpp
index 4d87093a..7a757084 100644
--- a/include/boost/config/select_compiler_config.hpp
+++ b/include/boost/config/select_compiler_config.hpp
@@ -122,27 +122,27 @@
 //
 // This section allows dependency scanners to find all the headers we *might* include:
 //
-#include "boost/config/compiler/gcc_xml.hpp"
-#include "boost/config/compiler/cray.hpp"
-#include "boost/config/compiler/comeau.hpp"
-#include "boost/config/compiler/pathscale.hpp"
-#include "boost/config/compiler/intel.hpp"
-#include "boost/config/compiler/clang.hpp"
-#include "boost/config/compiler/digitalmars.hpp"
-#include "boost/config/compiler/gcc.hpp"
-#include "boost/config/compiler/kai.hpp"
-#include "boost/config/compiler/sgi_mipspro.hpp"
-#include "boost/config/compiler/compaq_cxx.hpp"
-#include "boost/config/compiler/greenhills.hpp"
-#include "boost/config/compiler/codegear.hpp"
-#include "boost/config/compiler/borland.hpp"
-#include "boost/config/compiler/metrowerks.hpp"
-#include "boost/config/compiler/sunpro_cc.hpp"
-#include "boost/config/compiler/hp_acc.hpp"
-#include "boost/config/compiler/mpw.hpp"
-#include "boost/config/compiler/vacpp.hpp"
-#include "boost/config/compiler/pgi.hpp"
-#include "boost/config/compiler/visualc.hpp"
+#include <boost/config/compiler/gcc_xml.hpp>
+#include <boost/config/compiler/cray.hpp>
+#include <boost/config/compiler/comeau.hpp>
+#include <boost/config/compiler/pathscale.hpp>
+#include <boost/config/compiler/intel.hpp>
+#include <boost/config/compiler/clang.hpp>
+#include <boost/config/compiler/digitalmars.hpp>
+#include <boost/config/compiler/gcc.hpp>
+#include <boost/config/compiler/kai.hpp>
+#include <boost/config/compiler/sgi_mipspro.hpp>
+#include <boost/config/compiler/compaq_cxx.hpp>
+#include <boost/config/compiler/greenhills.hpp>
+#include <boost/config/compiler/codegear.hpp>
+#include <boost/config/compiler/borland.hpp>
+#include <boost/config/compiler/metrowerks.hpp>
+#include <boost/config/compiler/sunpro_cc.hpp>
+#include <boost/config/compiler/hp_acc.hpp>
+#include <boost/config/compiler/mpw.hpp>
+#include <boost/config/compiler/vacpp.hpp>
+#include <boost/config/compiler/pgi.hpp>
+#include <boost/config/compiler/visualc.hpp>
 
 #endif