diff --git a/projects/adrv9371x/a10gx/system_project.tcl b/projects/adrv9371x/a10gx/system_project.tcl
index 884886fbd..db971ee44 100644
--- a/projects/adrv9371x/a10gx/system_project.tcl
+++ b/projects/adrv9371x/a10gx/system_project.tcl
@@ -35,6 +35,10 @@ set_location_assignment PIN_BC8   -to "tx_data[2](n)"     ; ## C03  FMCA_DP0_C2M
 set_location_assignment PIN_BC3   -to tx_data[3]          ; ## A30  FMCA_DP3_C2M_P (tx_data_p[3])
 set_location_assignment PIN_BC4   -to "tx_data[3](n)"     ; ## A31  FMCA_DP3_C2M_N (tx_data_n[3])
 
+set_instance_assignment -name XCVR_VCCR_VCCT_VOLTAGE 1_0V -to ref_clk0
+set_instance_assignment -name XCVR_VCCR_VCCT_VOLTAGE 1_0V -to ref_clk1
+set_instance_assignment -name XCVR_VCCR_VCCT_VOLTAGE 1_0V -to rx_data
+set_instance_assignment -name XCVR_VCCR_VCCT_VOLTAGE 1_0V -to tx_data
 
 set_instance_assignment -name IO_STANDARD LVDS -to ref_clk0
 set_instance_assignment -name IO_STANDARD LVDS -to ref_clk1
diff --git a/projects/adrv9371x/a10soc/system_project.tcl b/projects/adrv9371x/a10soc/system_project.tcl
index 21612194e..f918f5208 100644
--- a/projects/adrv9371x/a10soc/system_project.tcl
+++ b/projects/adrv9371x/a10soc/system_project.tcl
@@ -34,6 +34,11 @@ set_location_assignment PIN_N36   -to "tx_data[2](n)"       ; ## C03  FMC_HPC_DP
 set_location_assignment PIN_K39   -to tx_data[3]            ; ## A30  FMC_HPC_DP3_C2M_P (tx_data_p[2])
 set_location_assignment PIN_K38   -to "tx_data[3](n)"       ; ## A31  FMC_HPC_DP3_C2M_N (tx_data_n[2])
 
+set_instance_assignment -name XCVR_VCCR_VCCT_VOLTAGE 1_0V -to ref_clk0
+set_instance_assignment -name XCVR_VCCR_VCCT_VOLTAGE 1_0V -to ref_clk1
+set_instance_assignment -name XCVR_VCCR_VCCT_VOLTAGE 1_0V -to rx_data
+set_instance_assignment -name XCVR_VCCR_VCCT_VOLTAGE 1_0V -to tx_data
+
 set_instance_assignment -name IO_STANDARD LVDS -to ref_clk0
 set_instance_assignment -name IO_STANDARD LVDS -to ref_clk1
 set_instance_assignment -name IO_STANDARD "HIGH SPEED DIFFERENTIAL I/O" -to rx_data[0]