diff --git a/include/eos/core/Landmark.hpp b/include/eos/core/Landmark.hpp
index 00addb18..0121126d 100644
--- a/include/eos/core/Landmark.hpp
+++ b/include/eos/core/Landmark.hpp
@@ -25,6 +25,7 @@
 #include <algorithm>
 #include <string>
 #include <vector>
+#include <iterator>
 
 namespace eos {
 namespace core {