diff --git a/fpga/hls/axis_256_to_512.cpp b/fpga/hls/axis_256_to_512.cpp
index e7127f3d..2418a0aa 100644
--- a/fpga/hls/axis_256_to_512.cpp
+++ b/fpga/hls/axis_256_to_512.cpp
@@ -1,6 +1,5 @@
 // Copyright (2019-2023) Paul Scherrer Institute
 
-
 #include "hls_jfjoch.h"
 
 void axis_256_to_512(hls::stream<ap_axiu<256,1,1,1>> &data_in,