diff --git a/module_usb_audio/usb_buffer/usb_buffer.xc b/module_usb_audio/usb_buffer/usb_buffer.xc
index 79d9fe36..8c322894 100644
--- a/module_usb_audio/usb_buffer/usb_buffer.xc
+++ b/module_usb_audio/usb_buffer/usb_buffer.xc
@@ -353,8 +353,8 @@ void buffer(register chanend c_aud_out, register chanend c_aud_in,
                         * handshake elsewhere */
                         SET_SHARED_GLOBAL(g_freqChange_sampFreq, receivedSampleFreq);
                     }
-                    else 
 #if (AUDIO_CLASS == 2)
+                    else 
                         if(cmd == SET_STREAM_FORMAT_IN)
                     {
                         unsigned formatChange_DataFormat = inuint(c_aud_ctl);
@@ -957,4 +957,4 @@ void buffer(register chanend c_aud_out, register chanend c_aud_in,
 
     }
 }
-#endif /* NO_USB */
\ No newline at end of file
+#endif /* NO_USB */