diff --git a/src/eth/example/RK_XCKU5P_F/fpga/syn/eth_cmac.xdc b/src/eth/example/RK_XCKU5P_F/fpga/syn/eth_cmac.xdc
index 45e2df2..7463998 100644
--- a/src/eth/example/RK_XCKU5P_F/fpga/syn/eth_cmac.xdc
+++ b/src/eth/example/RK_XCKU5P_F/fpga/syn/eth_cmac.xdc
@@ -1,3 +1,3 @@
 
 # CMACs
-set_property LOC CMACE4_X0Y0 [get_cells -hierarchical -filter {NAME =~ mac.qsfp_mac_inst/cmac.cmac_inst/inst/i_taxi_eth_mac_100g_us_cmac_top/* && REF_NAME==CMACE4}]
+set_property LOC CMACE4_X0Y0 [get_cells -hierarchical -filter {NAME =~ core_inst/mac.qsfp_mac_inst/cmac.cmac_inst/inst/i_taxi_eth_mac_100g_us_cmac_top/* && REF_NAME==CMACE4}]
diff --git a/src/eth/example/VCU108/fpga/syn/eth_cmac.xdc b/src/eth/example/VCU108/fpga/syn/eth_cmac.xdc
index 8d11410..fdc0121 100644
--- a/src/eth/example/VCU108/fpga/syn/eth_cmac.xdc
+++ b/src/eth/example/VCU108/fpga/syn/eth_cmac.xdc
@@ -1,3 +1,3 @@
 
 # CMACs
-set_property LOC CMAC_SITE_X0Y1 [get_cells -hierarchical -filter {NAME =~ mac.qsfp_mac_inst/cmac.cmac_inst/inst/i_taxi_eth_mac_100g_us_cmac_top/* && REF_NAME==CMAC}]
+set_property LOC CMAC_SITE_X0Y1 [get_cells -hierarchical -filter {NAME =~ core_inst/mac.qsfp_mac_inst/cmac.cmac_inst/inst/i_taxi_eth_mac_100g_us_cmac_top/* && REF_NAME==CMAC}]