diff --git a/src/interest.hpp b/src/interest.hpp
index 89c5c24..e075ca7 100644
--- a/src/interest.hpp
+++ b/src/interest.hpp
@@ -29,6 +29,7 @@
 #include "name.hpp"
 #include "selectors.hpp"
 #include "interest-filter.hpp"
+#include "util/time.hpp"
 #include "management/nfd-local-control-header.hpp"
 
 namespace ndn {