1 files changed, 2 insertions, 0 deletions

diff --git a/value.h b/value.h
index f7a13f05..dc67e66a 100644
--- a/value.h
+++ b/value.h
@@ -8,6 +8,8 @@
 #include <vector>
 #include <exception>
 
+#include <boost/shared_ptr.hpp>
+
 namespace ledger {
 
 namespace xml {