diff --git a/wxdata/include/scwx/awips/coded_location.hpp b/wxdata/include/scwx/awips/coded_location.hpp
index 0b147444..1f29faa7 100644
--- a/wxdata/include/scwx/awips/coded_location.hpp
+++ b/wxdata/include/scwx/awips/coded_location.hpp
@@ -12,6 +12,7 @@
 #   pragma clang diagnostic ignored "-Wunused-parameter"
 #endif
 
+#include <boost/type_traits/add_const.hpp>
 #include <boost/range/any_range.hpp>
 
 #if defined(__clang__)
diff --git a/wxdata/include/scwx/awips/coded_time_motion_location.hpp b/wxdata/include/scwx/awips/coded_time_motion_location.hpp
index 123ea6e3..1d950ee0 100644
--- a/wxdata/include/scwx/awips/coded_time_motion_location.hpp
+++ b/wxdata/include/scwx/awips/coded_time_motion_location.hpp
@@ -13,6 +13,7 @@
 #   pragma clang diagnostic ignored "-Wunused-parameter"
 #endif
 
+#include <boost/type_traits/add_const.hpp>
 #include <boost/range/any_range.hpp>
 
 #if defined(__clang__)