diff --git a/module_usb_aud_shared/endpoint0/descriptors_2.h b/module_usb_aud_shared/endpoint0/descriptors_2.h
index 5d100b26..32d03f00 100644
--- a/module_usb_aud_shared/endpoint0/descriptors_2.h
+++ b/module_usb_aud_shared/endpoint0/descriptors_2.h
@@ -526,7 +526,7 @@ unsigned char cfgDesc_Audio2[] =
     ID_CLKSEL, 	    	     		/* 7  bCSourceID: ID of Clock Entity */
     NUM_USB_CHAN_IN,		     	/* 8  bNrChannels */
     0,0,0,0,                 		/* 9  bmChannelConfig */
-    33,           	                /* 13 iChannelNames */
+    OUTPUT_INTERFACE_STRING_INDEX,           	                /* 13 iChannelNames */
     0x00, 0x00,     		        /* 14 bmControls */
     0,           		            /* 16 iTerminal */