diff --git a/tstl/include/circular_buffer.hpp b/tstl/include/circular_buffer.hpp
index 3bf7477d..0bbfbf88 100644
--- a/tstl/include/circular_buffer.hpp
+++ b/tstl/include/circular_buffer.hpp
@@ -8,6 +8,8 @@
 #ifndef CIRCULAR_BUFFER_H
 #define CIRCULAR_BUFFER_H
 
+#include <types.hpp>
+
 /*!
  * \brief A circular buffer of maximum size S
  *