diff --git a/tools/utils.hh b/tools/utils.hh
index 609cdd39ac..384c486aca 100644
--- a/tools/utils.hh
+++ b/tools/utils.hh
@@ -20,6 +20,7 @@
  */
 
 #include <boost/algorithm/string/join.hpp>
+#include <boost/range/adaptor/transformed.hpp>
 #include <boost/program_options.hpp>
 #include <string>
 #include <vector>