diff --git a/library/axi_ad9963/axi_ad9963_ip.tcl b/library/axi_ad9963/axi_ad9963_ip.tcl
index 9a8fc9e4f..cd8c750f3 100644
--- a/library/axi_ad9963/axi_ad9963_ip.tcl
+++ b/library/axi_ad9963/axi_ad9963_ip.tcl
@@ -43,7 +43,8 @@ set_property driver_value 0 [ipx::get_ports *dac_sync_in* -of_objects [ipx::curr
 set_property driver_value 0 [ipx::get_ports *dovf* -of_objects [ipx::current_core]]
 set_property driver_value 0 [ipx::get_ports *dunf* -of_objects [ipx::current_core]]
 
-adi_set_ports_dependency "delay_clk" "ADC_IODELAY_ENABLE == 1" 0
+adi_set_ports_dependency "delay_clk" \
+  "(spirit:decode(id('MODELPARAM_VALUE.ADC_IODELAY_ENABLE')) = 1)" 0
 
 ipx::infer_bus_interface trx_clk xilinx.com:signal:clock_rtl:1.0 [ipx::current_core]
 ipx::infer_bus_interface tx_clk xilinx.com:signal:clock_rtl:1.0 [ipx::current_core]