diff --git a/BaS_gcc/dma/dma.c b/BaS_gcc/dma/dma.c
index efb0a09..50320e0 100644
--- a/BaS_gcc/dma/dma.c
+++ b/BaS_gcc/dma/dma.c
@@ -39,7 +39,7 @@
 #error "unknown machine!"
 #endif /* MACHINE_FIREBEE */
 
-//// #define DEBUG
+// #define DEBUG
 #include "debug.h"
 
 extern char _SYS_SRAM[];