diff --git a/nano/node/lmdb/lmdb.cpp b/nano/node/lmdb/lmdb.cpp
index 62c6e11c..5a4bb457 100644
--- a/nano/node/lmdb/lmdb.cpp
+++ b/nano/node/lmdb/lmdb.cpp
@@ -9,6 +9,7 @@
 
 #include <boost/filesystem.hpp>
 #include <boost/format.hpp>
+#include <boost/property_tree/json_parser.hpp>
 
 #include <queue>