diff --git a/tools/Jamfile.v2 b/tools/Jamfile.v2
index c80d5642c..8060a97f8 100644
--- a/tools/Jamfile.v2
+++ b/tools/Jamfile.v2
@@ -199,7 +199,9 @@ install generate_test_values_install : generate_test_values : <location>bin ;
 exe igamma_temme_large_coef : igamma_temme_large_coef.cpp ;
 install igamma_temme_large_coef_install : igamma_temme_large_coef : <location>bin ;
 
-exe lanczos_generator : lanczos_generator.cpp ../../chrono/build//boost_chrono ../../system/build//boost_system : [ check-target-builds ../../multiprecision/config//has_float128 : <source>quadmath : <build>no ] ;
+exe lanczos_generator : lanczos_generator.cpp ../../chrono/build//boost_chrono ../../system/build//boost_system : 
+[ check-target-builds ../../multiprecision/config//has_float128 : <source>quadmath : <build>no ] 
+[ requires cxx11_nullptr ] ;
 install lanczos_generator_install : lanczos_generator : <location>bin ;
 
 exe factorial_tables : factorial_tables.cpp ;
diff --git a/tools/hyp_2f0_data.cpp b/tools/hyp_2f0_data.cpp
index 6417427da..119052f05 100644
--- a/tools/hyp_2f0_data.cpp
+++ b/tools/hyp_2f0_data.cpp
@@ -4,7 +4,7 @@
 //  LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
 
 #include "mp_t.hpp"
-#include <boost/math/special_functions/hypergeometric_2f0.hpp>
+#include <boost/math/special_functions/hypergeometric_2F0.hpp>
 #include <boost/math/constants/constants.hpp>
 #include <boost/lexical_cast.hpp>
 #include <fstream>