diff --git a/applications/lofar2/libraries/sdp/src/vhdl/sdp_pkg.vhd b/applications/lofar2/libraries/sdp/src/vhdl/sdp_pkg.vhd
index f4c052fb91ffc361a39e11e3daa22dedba5bc106..101842bae736d26bef4f1eac777280004e182a07 100644
--- a/applications/lofar2/libraries/sdp/src/vhdl/sdp_pkg.vhd
+++ b/applications/lofar2/libraries/sdp/src/vhdl/sdp_pkg.vhd
@@ -433,9 +433,10 @@ package sdp_pkg is
   --       sdp_beamformer_output.vhd is not used.
   -- Remarks: see remarks at c_sdp_stat_nof_hdr_fields.
   --                                                                                             eth     ip               udp      app
-  constant c_sdp_cep_hdr_field_sel  : std_logic_vector(c_sdp_cep_nof_hdr_fields - 1 downto 0) := "111" & "111111111011" & "1110" & "1100" & "100000010" & "100110" & "0";  -- current
---CONSTANT c_sdp_cep_hdr_field_sel  : STD_LOGIC_VECTOR(c_sdp_cep_nof_hdr_fields-1 DOWNTO 0) := "101"&"111111111001"&"0111"&"1100"&"100000010"&"000110"&"0";  -- previous 27 sep 2022
---CONSTANT c_sdp_cep_hdr_field_sel  : STD_LOGIC_VECTOR(c_sdp_cep_nof_hdr_fields-1 DOWNTO 0) := "100"&"000000010001"&"0100"&"0100"&"100000000"&"101000"&"0";  -- initial
+  constant c_sdp_cep_hdr_field_sel  : std_logic_vector(c_sdp_cep_nof_hdr_fields - 1 downto 0) := "111" & "111111111011" & "1110" & "1100" & "100000010" & "100000" & "0";  -- current
+--constant c_sdp_cep_hdr_field_sel  : std_logic_vector(c_sdp_cep_nof_hdr_fields - 1 downto 0) := "111" & "111111111011" & "1110" & "1100" & "100000010" & "100110" & "0";  -- 18 sep 2023
+--constant c_sdp_cep_hdr_field_sel  : STD_LOGIC_VECTOR(c_sdp_cep_nof_hdr_fields-1 downto 0) := "101"&"111111111001"&"0111"&"1100"&"100000010"&"000110"&"0";  -- previous 27 sep 2022
+--constant c_sdp_cep_hdr_field_sel  : STD_LOGIC_VECTOR(c_sdp_cep_nof_hdr_fields-1 downto 0) := "100"&"000000010001"&"0100"&"0100"&"100000000"&"101000"&"0";  -- initial
 
   -- Default use source MAC/IP/UDP = 0 and destination MAC/IP/UDP = 0, so these have to be MM programmed
   -- before beamlet output packets can be send.