diff --git a/library/util_cpack/util_cpack_hw.tcl b/library/util_cpack/util_cpack_hw.tcl
index 571285ea1..c2da4979d 100755
--- a/library/util_cpack/util_cpack_hw.tcl
+++ b/library/util_cpack/util_cpack_hw.tcl
@@ -38,7 +38,6 @@ set_parameter_property CH_CNT HDL_PARAMETER true
 # defaults
 
 ad_alt_intf clock   adc_clk         input   1
-ad_alt_intf signal  adc_rst         input   1
 ad_alt_intf signal  adc_valid       output  1
 ad_alt_intf signal  adc_sync        output  1
 ad_alt_intf signal  adc_data        output  CH_CNT*CH_DW
@@ -46,6 +45,10 @@ ad_alt_intf signal  adc_valid_0     input   1
 ad_alt_intf signal  adc_enable_0    input   1
 ad_alt_intf signal  adc_data_0      input   CH_DW
 
+add_interface adc_reset reset end
+set_interface_property adc_reset associatedClock if_adc_clk
+add_interface_port adc_reset adc_rst reset  Input 1
+
 proc p_util_cpack {} {
 
   if {[get_parameter_value CH_CNT] > 1} {