diff --git a/libraries/technology/eth_10g/tb_tech_eth_10g_ppm.vhd b/libraries/technology/eth_10g/tb_tech_eth_10g_ppm.vhd
index 7ec75eab8874761711e29f185ad3915711a77653..4de3c8ac65d141b5f3ed6f5de4bf994db54b5430 100644
--- a/libraries/technology/eth_10g/tb_tech_eth_10g_ppm.vhd
+++ b/libraries/technology/eth_10g/tb_tech_eth_10g_ppm.vhd
@@ -62,8 +62,8 @@ BEGIN
   u_tb_tech_eth_10g_0 : ENTITY work.tb_tech_eth_10g
   GENERIC MAP (
     g_technology              => g_technology,
-    g_clk_644_period          => tech_pll_clk_644_period,
-    g_clk_156_period          => 6.4 ns,
+    g_ref_clk_644_period      => tech_pll_clk_644_period,
+    g_ref_clk_156_period      => 6.4 ns,
     g_verify_link_recovery    => FALSE,
     g_link_status_check       => "11",
     g_use_serial_rx_in        => TRUE
@@ -81,8 +81,8 @@ BEGIN
   u_tb_tech_eth_10g_1 : ENTITY work.tb_tech_eth_10g
   GENERIC MAP (
     g_technology              => g_technology,
-    g_clk_644_period          => tech_pll_clk_644_period + tech_pll_clk_644_10ppm * g_nof_10ppm,
-    g_clk_156_period          => 6.4 ns + 64 fs * g_nof_10ppm,
+    g_ref_clk_644_period      => tech_pll_clk_644_period + tech_pll_clk_644_10ppm * g_nof_10ppm,
+    g_ref_clk_156_period      => 6.4 ns + 64 fs * g_nof_10ppm,
     g_verify_link_recovery    => FALSE,
     g_link_status_check       => "11",
     g_use_serial_rx_in        => TRUE