diff --git a/lib_xua/src/core/endpoint0/xua_ep0_uacreqs.xc b/lib_xua/src/core/endpoint0/xua_ep0_uacreqs.xc
index b61e4b4d..db52c8e9 100644
--- a/lib_xua/src/core/endpoint0/xua_ep0_uacreqs.xc
+++ b/lib_xua/src/core/endpoint0/xua_ep0_uacreqs.xc
@@ -340,7 +340,7 @@ int AudioClassRequests_2(XUD_ep ep0_out, XUD_ep ep0_in, USB_SetupPacket_t &sp, c
 
                                         setG_curSamFreqMultiplier(g_curSamFreq/(newMasterClock/512));
 #endif
-#ifdef ADAT_RX
+#if ADAT_RX 
                                         /* Configure ADAT SMUX based on sample rate */
                                         outuint(c_clk_ctl, SET_SMUX);
                                         if(g_curSamFreq < 88200)