diff --git a/xorriso/emulators.c b/xorriso/emulators.c
index c3dfd3b3..fe6c6667 100644
--- a/xorriso/emulators.c
+++ b/xorriso/emulators.c
@@ -1254,7 +1254,7 @@ not_enough_args:;
      xorriso->padding= 0;
    } else if(strcmp(argv[i], "-print-size")==0) {
      do_print_size= 1;
-   } else if(strcmp(argv[i], "-o")==0) {
+   } else if(strcmp(argv[i], "-o")==0 || strcmp(argv[i], "-output") == 0) {
      i++;
      /* was already handled in first argument scan */;
    } else if(strcmp(argv[i], "-M")==0  || strcmp(argv[i], "-dev")==0 ||
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index 0a9fc84b..876804f8 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2011.02.22.073504"
+#define Xorriso_timestamP "2011.02.22.073641"