diff --git a/include/shred.h b/include/shred.h
index 3da43bb..c423d36 100644
--- a/include/shred.h
+++ b/include/shred.h
@@ -21,7 +21,7 @@
 #define CHUNK_SIZE 1024*1024*32 //amount of bytes that are overwritten at once --> 32MB
 #define TFNG_DATA_SIZE CHUNK_SIZE //amount of bytes used by tfng
 
-#define DEMO_DRIVE_SIZE 1024*1024*256L // 256MB
+//#define DEMO_DRIVE_SIZE 1024*1024*256L // 256MB
 //#define DEMO_DRIVE_SIZE 1024*1024*1024L // 1GB
 //#define DEMO_DRIVE_SIZE 5*1024*1024*1024L // 5GB
 //#define DEMO_DRIVE_SIZE 1024*1024*1024*10L // 10GB