diff --git a/src/util.h b/src/util.h
index b3fe91824bf..c2fb7066ecf 100644
--- a/src/util.h
+++ b/src/util.h
@@ -20,6 +20,7 @@
 #include <vector>
 #include <string>
 
+#include <boost/version.hpp>
 #include <boost/thread.hpp>
 #include <boost/filesystem.hpp>
 #include <boost/filesystem/path.hpp>