diff --git a/library/util_adcfifo/util_adcfifo_constr.sdc b/library/util_adcfifo/util_adcfifo_constr.sdc
index 24296eeee..821e5c7ce 100644
--- a/library/util_adcfifo/util_adcfifo_constr.sdc
+++ b/library/util_adcfifo/util_adcfifo_constr.sdc
@@ -1,5 +1,5 @@
 
 set_false_path -to [get_registers *adc_xfer_req_m_reg[0]*]
 set_false_path -to [get_registers *adc_xfer_req_m[0]*]
-set_false_path -to [get_registers *cdc_sync_stage1_reg[0]*]
+set_false_path -to [get_registers *cdc_sync_stage1*]