diff --git a/fpga/scripts/jfjoch.tcl b/fpga/scripts/jfjoch.tcl
index 1b9514d2..32e048f3 100644
--- a/fpga/scripts/jfjoch.tcl
+++ b/fpga/scripts/jfjoch.tcl
@@ -175,8 +175,8 @@ proc create_hier_cell_jungfraujoch { parentCell nameHier } {
   # Create instance: axis_data_fifo_2, and set properties
   set axis_data_fifo_2 [ create_bd_cell -type ip -vlnv xilinx.com:ip:axis_data_fifo:2.0 axis_data_fifo_2 ]
   set_property -dict [ list \
-   CONFIG.FIFO_DEPTH {256} \
-   CONFIG.FIFO_MEMORY_TYPE {block} \
+   CONFIG.FIFO_DEPTH {4096} \
+   CONFIG.FIFO_MEMORY_TYPE {ultra} \
  ] $axis_data_fifo_2
 
   # Create instance: axis_data_fifo_3, and set properties