diff --git a/common/usb_storage.c b/common/usb_storage.c
index 5c56918..16667f3 100644
--- a/common/usb_storage.c
+++ b/common/usb_storage.c
@@ -63,7 +63,7 @@
 #ifdef	USB_STOR_DEBUG
 #define USB_STOR_PRINTF(fmt, args...)	printf(fmt , ##args)
 #else
-static inline void USB_STOR_PRINTF(const char *fmt, ...) {}
+#define USB_STOR_PRINTF(fmt, args...)
 #endif
 
 #include <scsi.h>