diff --git a/src/include/lwip/apps/tftp_opts.h b/src/include/lwip/apps/tftp_opts.h
index f3f4d17d..6f2adf61 100644
--- a/src/include/lwip/apps/tftp_opts.h
+++ b/src/include/lwip/apps/tftp_opts.h
@@ -54,7 +54,7 @@
  * Enable TFTP debug messages
  */
 #if !defined TFTP_DEBUG || defined __DOXYGEN__
-#define TFTP_DEBUG            LWIP_DBG_ON
+#define TFTP_DEBUG            LWIP_DBG_OFF
 #endif
 
 /**