1 files changed, 2 insertions, 0 deletions
diff --git a/walk.cc b/walk.cc
index c4b3653b..bf1e9186 100644
--- a/walk.cc
+++ b/walk.cc
@@ -3,6 +3,8 @@
 #include "textual.h"
 #include "util.h"
 
+#include <algorithm>
+
 namespace ledger {
 
 std::list<transaction_xdata_t> transactions_xdata;