diff --git a/configure b/configure
index 33ff96f..ddf2be4 100755
--- a/configure
+++ b/configure
@@ -2361,6 +2361,8 @@ $as_echo "$ac_cv_prog_cxx_openmp" >&6; }
 
 OPENMP_CXXFLAGS=${OPENMP_CXXFLAGS}
 
+CXX=${CXX}
+
 ac_ext=c
 ac_cpp='$CPP $CPPFLAGS'
 ac_compile='$CC -c $CFLAGS $CPPFLAGS conftest.$ac_ext >&5'
diff --git a/configure.ac b/configure.ac
index bfab75c..906d177 100644
--- a/configure.ac
+++ b/configure.ac
@@ -6,6 +6,7 @@ AC_PROG_CXX()
 AC_LANG_PUSH(C++)
 AC_OPENMP
 AC_SUBST(OPENMP_CXXFLAGS,${OPENMP_CXXFLAGS})
+AC_SUBST(CXX,${CXX})
 AC_LANG_POP(C++)
 
 AC_CONFIG_FILES([src/Makevars])