diff --git a/uspace/app/bdsh/cmds/modules/mkfile/mkfile.c b/uspace/app/bdsh/cmds/modules/mkfile/mkfile.c
index 146afb2d42..d4d5ba563b 100644
--- a/uspace/app/bdsh/cmds/modules/mkfile/mkfile.c
+++ b/uspace/app/bdsh/cmds/modules/mkfile/mkfile.c
@@ -47,7 +47,7 @@
 #include "cmds.h"
 
 /** Number of bytes to write at a time */
-#define BUFFER_SIZE 16384
+#define BUFFER_SIZE (1024 * 64)
 
 static const char *cmdname = "mkfile";