diff --git a/SD_CARD/BaS_gcc/include/ffconf.h b/SD_CARD/BaS_gcc/include/ffconf.h
index aa9d085..2247451 100644
--- a/SD_CARD/BaS_gcc/include/ffconf.h
+++ b/SD_CARD/BaS_gcc/include/ffconf.h
@@ -90,7 +90,7 @@
 */
 
 
-#define	_USE_LFN	2		/* 0 to 3 */
+#define	_USE_LFN	0		/* 0 to 3 */
 #define	_MAX_LFN	255		/* Maximum LFN length to handle (12 to 255) */
 /* The _USE_LFN option switches the LFN support.
 /
diff --git a/SD_CARD/BaS_gcc/sources/BaS.c b/SD_CARD/BaS_gcc/sources/BaS.c
index c6fb42a..64a194f 100644
--- a/SD_CARD/BaS_gcc/sources/BaS.c
+++ b/SD_CARD/BaS_gcc/sources/BaS.c
@@ -222,6 +222,7 @@ void BaS(void)
 			}
 			f_close(&file);
 		}
+		f_mount(0, 0L);	/* release work area */
 	}
 	xprintf("copy EmuTOS: ");