diff --git a/vl.c b/vl.c
index dfdea55..7d07d69 100644
--- a/vl.c
+++ b/vl.c
@@ -2346,7 +2346,7 @@ static int drive_init_func(QemuOpts *opts, void *opaque)
     QEMUMachine *machine = opaque;
     int fatal_error = 0;
 
-    qemu_opts_print(opts, NULL);
+//    qemu_opts_print(opts, NULL);
     if (drive_init(opts, machine, &fatal_error) == NULL) {
         if (fatal_error)
             return 1;
@@ -2357,7 +2357,7 @@ static int drive_init_func(QemuOpts *opts, void *opaque)
 static int drive_enable_snapshot(QemuOpts *opts, void *opaque)
 {
     if (NULL == qemu_opt_get(opts, "snapshot")) {
-        qemu_opt_set(opts, "snapshot", "1");
+        qemu_opt_set(opts, "snapshot", "on");
     }
     return 0;
 }