diff --git a/core-buffer/include/JFFileFormat.hpp b/core-buffer/include/JFFileFormat.hpp
index 7e52c8b..af6cd38 100644
--- a/core-buffer/include/JFFileFormat.hpp
+++ b/core-buffer/include/JFFileFormat.hpp
@@ -1,6 +1,8 @@
 #ifndef JFFILEFORMAT_HPP
 #define JFFILEFORMAT_HPP
 
+#include "jungfrau.hpp"
+
 #pragma pack(push)
 #pragma pack(1)
 struct JFFileFormat {