diff --git a/projects/fmcomms2/rfsom/system_bd.tcl b/projects/fmcomms2/rfsom/system_bd.tcl
index 3d9ee77bf..a1dd0c428 100644
--- a/projects/fmcomms2/rfsom/system_bd.tcl
+++ b/projects/fmcomms2/rfsom/system_bd.tcl
@@ -1,4 +1,5 @@
 
 source $ad_hdl_dir/projects/common/rfsom/rfsom_system_bd.tcl
+source $ad_hdl_dir/projects/common/xilinx/sys_wfifo.tcl
 source ../common/fmcomms2_bd.tcl