diff --git a/projects/common/kcu105/kcu105_system_bd.tcl b/projects/common/kcu105/kcu105_system_bd.tcl
index 26abee2e3..76ddce9cc 100644
--- a/projects/common/kcu105/kcu105_system_bd.tcl
+++ b/projects/common/kcu105/kcu105_system_bd.tcl
@@ -349,7 +349,7 @@ connect_bd_net [get_bd_pins sys_concat_intc/In9] [get_bd_pins axi_iic_main/iic2i
 
 for {set intc_index 10} {$intc_index < 32} {incr intc_index} {
   set mb_intr_${intc_index} [create_bd_port -dir I mb_intr_${intc_index}]
-  connect_bd_net [get_bd_pins sys_concat_intc/In${intc_index}] [get_bd_ports mb_intr_${intc_index}]
+  connect_bd_net -net mb_intr_${intc_index}_s [get_bd_pins sys_concat_intc/In${intc_index}] [get_bd_ports mb_intr_${intc_index}]
 }
 
 # defaults (ddr)