diff --git a/library/axi_jesd_xcvr/axi_jesd_xcvr_constr.sdc b/library/axi_jesd_xcvr/axi_jesd_xcvr_constr.sdc
index 200e3d44b..54c990712 100644
--- a/library/axi_jesd_xcvr/axi_jesd_xcvr_constr.sdc
+++ b/library/axi_jesd_xcvr/axi_jesd_xcvr_constr.sdc
@@ -1,8 +1,14 @@
 
-set_false_path -from [get_registers *up_rx_*]       -to [get_registers *rx_*]
-set_false_path -from [get_registers *up_tx_*]       -to [get_registers *tx_*]
-set_false_path -from [get_registers *rx_sync*]      -to [get_registers *up_rx_status_m1*]
-set_false_path -from [get_registers *rx_status*]    -to [get_registers *up_rx_status_m1*]
-set_false_path -from [get_registers *tx_ip_sync*]   -to [get_registers *up_tx_status_m1*]
-set_false_path -from [get_registers *tx_status*]    -to [get_registers *up_tx_status_m1*]
+set_false_path  -from [get_registers *up_xcvr:i_up_xcvr|up_rx_sysref_sel*]        -to [get_registers *up_xcvr:i_up_xcvr|rx_sysref_sel_m1*]
+set_false_path  -from [get_registers *up_xcvr:i_up_xcvr|up_rx_sysref*]            -to [get_registers *up_xcvr:i_up_xcvr|rx_up_sysref_m1*]
+set_false_path  -from [get_registers *up_xcvr:i_up_xcvr|up_rx_sync*]              -to [get_registers *up_xcvr:i_up_xcvr|rx_up_sync_m1*]
+
+set_false_path  -from [get_registers *up_xcvr:i_up_xcvr|up_tx_sysref_sel*]        -to [get_registers *up_xcvr:i_up_xcvr|tx_sysref_sel_m1*]
+set_false_path  -from [get_registers *up_xcvr:i_up_xcvr|up_tx_sysref*]            -to [get_registers *up_xcvr:i_up_xcvr|tx_up_sysref_m1*]
+set_false_path  -from [get_registers *up_xcvr:i_up_xcvr|up_tx_sync*]              -to [get_registers *up_xcvr:i_up_xcvr|tx_up_sync_m1*]
+
+set_false_path -from [get_registers *up_xcvr:i_up_xcvr|rx_sync*]                  -to [get_registers *up_xcvr:i_up_xcvr|up_rx_status_m1*]
+set_false_path -from [get_registers *up_xcvr:i_up_xcvr|rx_status*]                -to [get_registers *up_xcvr:i_up_xcvr|up_rx_status_m1*]
+set_false_path -from [get_registers *up_xcvr:i_up_xcvr|tx_ip_sync*]               -to [get_registers *up_xcvr:i_up_xcvr|up_tx_status_m1*]
+set_false_path -from [get_registers *up_xcvr:i_up_xcvr|tx_status*]                -to [get_registers *up_xcvr:i_up_xcvr|up_tx_status_m1*]