diff --git a/arangod/Cache/Manager.h b/arangod/Cache/Manager.h
index e943aa3e17..44894b3d0a 100644
--- a/arangod/Cache/Manager.h
+++ b/arangod/Cache/Manager.h
@@ -36,6 +36,7 @@
 #include "Cache/Transaction.h"
 #include "Cache/TransactionManager.h"
 
+#include <array>
 #include <atomic>
 #include <chrono>
 #include <cstdint>