diff --git a/sol/console_buffer.hpp b/sol/console_buffer.hpp
index 51383cf..dbb75c9 100644
--- a/sol/console_buffer.hpp
+++ b/sol/console_buffer.hpp
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <algorithm>
+#include <cstddef>
 #include <cstdint>
 #include <deque>
 #include <vector>