diff --git a/llarp/util/buffer.hpp b/llarp/util/buffer.hpp
index 4f7311043..a94616ff6 100644
--- a/llarp/util/buffer.hpp
+++ b/llarp/util/buffer.hpp
@@ -14,6 +14,7 @@
 #include <utility>
 #include <algorithm>
 #include <memory>
+#include <vector>
 
 /**
  * buffer.h