diff --git a/sw_usb_audio/app_usb_aud_fosi_c1_v71/src/core/xu316_qf60.xn b/sw_usb_audio/app_usb_aud_fosi_c1_v71/src/core/xu316_qf60.xn
index ed79742..e7fd2c2 100644
--- a/sw_usb_audio/app_usb_aud_fosi_c1_v71/src/core/xu316_qf60.xn
+++ b/sw_usb_audio/app_usb_aud_fosi_c1_v71/src/core/xu316_qf60.xn
@@ -50,6 +50,8 @@
             <!-- HRT3236 -->
             <Port Location="XS1_PORT_1K" Name="PORT_HTR3236_SDB"/>
 
+            <Port Location="XS1_PORT_1G" Name="PORT_MIC_DET"/>
+
             <!-- direct IO contorlled LEDs -->
             <Port Location="XS1_PORT_1A" Name="PORT_LED_D5"/>
             <Port Location="XS1_PORT_1B" Name="PORT_LED_D1"/>