1 files changed, 1 insertions, 0 deletions

diff --git a/src/op.cc b/src/op.cc
index f1b2fb6b..559db616 100644
--- a/src/op.cc
+++ b/src/op.cc
@@ -34,6 +34,7 @@
 #include "op.h"
 #include "scope.h"
 #include "commodity.h"
+#include "pool.h"
 
 namespace ledger {