diff --git a/tools/nfdc/face-module.cpp b/tools/nfdc/face-module.cpp
index 08409f7..4d9d3a2 100644
--- a/tools/nfdc/face-module.cpp
+++ b/tools/nfdc/face-module.cpp
@@ -27,6 +27,8 @@
 #include "canonizer.hpp"
 #include "find-face.hpp"
 
+#include <boost/lexical_cast/try_lexical_convert.hpp>
+
 namespace nfd::tools::nfdc {
 
 void