diff --git a/core-buffer/include/JFFileFormat.hpp b/core-buffer/include/JFFileFormat.hpp
index af6cd38..dc21ef7 100644
--- a/core-buffer/include/JFFileFormat.hpp
+++ b/core-buffer/include/JFFileFormat.hpp
@@ -9,7 +9,7 @@ struct JFFileFormat {
     uint64_t pulse_id;
     uint64_t frame_id;
     uint32_t daq_rec;
-    uint16 n_recv_packets;
+    uint16_t n_recv_packets;
     char* data[JUNGFRAU_DATA_BYTES_PER_FRAME];
 };
 #pragma pack(pop)