diff --git a/applications/lofar2/designs/lofar2_unb2c_sdp_station/quartus/lofar2_unb2c_sdp_station_pins.tcl b/applications/lofar2/designs/lofar2_unb2c_sdp_station/quartus/lofar2_unb2c_sdp_station_pins.tcl
index 6cedc04415c1955ab6fab4c9410ce68843d27856..6753e9c4e7c59c60ed28a63de931ee7f38ae6b2d 100644
--- a/applications/lofar2/designs/lofar2_unb2c_sdp_station/quartus/lofar2_unb2c_sdp_station_pins.tcl
+++ b/applications/lofar2/designs/lofar2_unb2c_sdp_station/quartus/lofar2_unb2c_sdp_station_pins.tcl
@@ -87,8 +87,7 @@ set_location_assignment PIN_AG42 -to QSFP_1_TX[3]
 # JESD pins
 # ====================
 # Pins needed for the 12 channel JESD204B interface to the ADCs
-set_instance_assignment -name IO_STANDARD LVDS -to JESD204B_SYSREF
-set_instance_assignment -name IO_STANDARD LVDS -to "JESD204B_SYSREF(n)"
+
 set_instance_assignment -name IO_STANDARD "1.8 V" -to JESD204B_SYNC_N[0]
 set_instance_assignment -name IO_STANDARD "1.8 V" -to JESD204B_SYNC_N[1]
 set_instance_assignment -name IO_STANDARD "1.8 V" -to JESD204B_SYNC_N[2]
@@ -298,7 +297,11 @@ set_instance_assignment -name XCVR_A10_RX_TERM_SEL R_R1 -to BCK_REF_CLK
 set_location_assignment PIN_V9 -to BCK_REF_CLK
 set_location_assignment PIN_V10 -to "BCK_REF_CLK(n)"
 
+set_instance_assignment -name IO_STANDARD LVDS -to JESD204B_SYSREF
+set_instance_assignment -name IO_STANDARD LVDS -to "JESD204B_SYSREF(n)"
+set_instance_assignment -name XCVR_A10_RX_TERM_SEL R_R1 -to JESD204B_SYSREF
 set_location_assignment PIN_Y13 -to JESD204B_SYSREF
+set_location_assignment PIN_Y12 -to "JESD204B_SYSREF(n)"
 
 set_location_assignment PIN_AD12 -to JESD204B_SYNC_N[0]
 set_location_assignment PIN_AC13 -to JESD204B_SYNC_N[1]