diff --git a/applications/lofar2/libraries/sdp/src/vhdl/sdp_pkg.vhd b/applications/lofar2/libraries/sdp/src/vhdl/sdp_pkg.vhd
index 49b0eaab368aabea7dba5937db2c6ff03f9662a1..a97a3e1d948abb80f141e55c094be8b7c374dc79 100644
--- a/applications/lofar2/libraries/sdp/src/vhdl/sdp_pkg.vhd
+++ b/applications/lofar2/libraries/sdp/src/vhdl/sdp_pkg.vhd
@@ -109,7 +109,7 @@ PACKAGE sdp_pkg is
   CONSTANT c_sdp_W_bf_weight               : NATURAL := 16;  -- = w in s(w, p), s = signed
   CONSTANT c_sdp_W_bf_weight_fraction      : NATURAL := 14;  -- = p in s(w, p)
   CONSTANT c_sdp_W_bf_weight_magnitude     : NATURAL := c_sdp_W_bf_weight - c_sdp_W_bf_weight_fraction - 1;  -- = 1
-  CONSTANT c_sdp_N_ring_mac10g             : NATURAL := 3; -- for sdp_station_xsub_ring design.
+  CONSTANT c_sdp_N_ring_nof_mac10g         : NATURAL := 3; -- for sdp_station_xsub_ring design.
 
   -- Derived constants
   CONSTANT c_sdp_FS_adc             : NATURAL := 2**(c_sdp_W_adc - 1); -- full scale FS corresponds to amplitude 1.0
@@ -495,8 +495,8 @@ PACKAGE sdp_pkg is
   CONSTANT c_sdp_reg_dp_block_validate_err_addr_w         : NATURAL := ceil_log2(c_sdp_N_ring_lanes_max) + 4; 
   CONSTANT c_sdp_reg_dp_block_validate_bsn_at_sync_addr_w : NATURAL := ceil_log2(c_sdp_N_ring_lanes_max) + 2; 
   CONSTANT c_sdp_reg_ring_info_addr_w                     : NATURAL := 2; 
-  CONSTANT c_sdp_reg_tr_10GbE_mac_addr_w                  : NATURAL := ceil_log2(c_sdp_N_ring_mac10g) + 13; 
-  CONSTANT c_sdp_reg_tr_10GbE_eth10g_addr_w               : NATURAL := ceil_log2(c_sdp_N_ring_mac10g) + 1; 
+  CONSTANT c_sdp_reg_tr_10GbE_mac_addr_w                  : NATURAL := ceil_log2(c_sdp_N_ring_nof_mac10g) + 13; 
+  CONSTANT c_sdp_reg_tr_10GbE_eth10g_addr_w               : NATURAL := ceil_log2(c_sdp_N_ring_nof_mac10g) + 1; 
   CONSTANT c_sdp_reg_diag_bg_addr_w                       : NATURAL := 3;
   CONSTANT c_sdp_ram_diag_bg_addr_w                       : NATURAL := 7;