diff --git a/module_usb_audio/devicedefines.h b/module_usb_audio/devicedefines.h
index 578dd4c4..24d1e6c6 100644
--- a/module_usb_audio/devicedefines.h
+++ b/module_usb_audio/devicedefines.h
@@ -618,12 +618,12 @@ enum USBEndpointNumber_Out
 };
 
 /* Enable output volume control by default */
-#ifndef OUTPUT_VOLUME_CONTROL 
+#ifndef OUTPUT_VOLUME_CONTROL
 #define OUTPUT_VOLUME_CONTROL 	1
 #endif
 
 /* Enable input volume control by default */
-#ifndef INPUT_VOLUME_CONTROL 
+#ifndef INPUT_VOLUME_CONTROL
 #define INPUT_VOLUME_CONTROL 	1
 #endif