diff --git a/module_usb_audio/main.xc b/module_usb_audio/main.xc
index cd9c4af3..adab684f 100755
--- a/module_usb_audio/main.xc
+++ b/module_usb_audio/main.xc
@@ -192,9 +192,13 @@ on tile[XUD_TILE] : clock clk                               = CLKBLK_USB_RST;
 #endif
 
 #ifdef IAP
-/* I2C ports - in a struct for use with module_i2s_simple */
+/* I2C ports - in a struct for use with module_i2c_shared & module_i2c_simple/module_i2c_single_port */
+#ifdef PORT_I2C
+on tile [IAP_TILE] : struct r_i2c r_i2c = {PORT_I2C};
+#else
 on tile [IAP_TILE] : struct r_i2c r_i2c = {PORT_I2C_SCL, PORT_I2C_SDA};
 #endif
+#endif
 
 
 /* Endpoint type tables for XUD */