diff --git a/test/xorriso.c b/test/xorriso.c
index 7410b10d..e6a6ab97 100644
--- a/test/xorriso.c
+++ b/test/xorriso.c
@@ -7712,10 +7712,10 @@ next_command:;
 
  } else if(strcmp(cmd,"du")==0   || strcmp(cmd,"dui")==0 ||
            strcmp(cmd,"dus")==0 || strcmp(cmd,"dusi")==0) {
-   ret= Xorriso_option_lsi(xorriso, argc, argv, idx, (strlen(cmd)<4)|4);
+   ret= Xorriso_option_lsi(xorriso, argc, argv, idx, (cmd[2]!='s')|4);
 
  } else if(strcmp(cmd,"dux")==0 || strcmp(cmd,"dusx")==0) {
-   ret= Xorriso_option_lsx(xorriso, argc, argv, idx, (strlen(cmd)<4)|4);
+   ret= Xorriso_option_lsx(xorriso, argc, argv, idx, (cmd[2]!='s')|4);
 
  } else if(strcmp(cmd,"eject")==0) {
    (*idx)++;
diff --git a/test/xorriso_timestamp.h b/test/xorriso_timestamp.h
index 201f6f22..a30c504d 100644
--- a/test/xorriso_timestamp.h
+++ b/test/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2007.12.22.143803"
+#define Xorriso_timestamP "2007.12.24.161107"