diff --git a/libisoburn/trunk/xorriso/emulators.c b/libisoburn/trunk/xorriso/emulators.c
index d82288e8..f915fdfa 100644
--- a/libisoburn/trunk/xorriso/emulators.c
+++ b/libisoburn/trunk/xorriso/emulators.c
@@ -2043,6 +2043,9 @@ rr_reloc_dir:;
      Xorriso_relax_compliance(xorriso, "deep_paths_off:long_paths_off", 0);
 
    } else if(strcmp(argpt, "-log-file") == 0) {
+     if(i + 1 >= argc)
+       goto not_enough_args;
+     i+= 1;
      /* was already handled before this loop */;
 
    } else if(strcmp(argpt, "-gui") == 0) {
diff --git a/libisoburn/trunk/xorriso/xorriso_timestamp.h b/libisoburn/trunk/xorriso/xorriso_timestamp.h
index ba040391..5b4e13e4 100644
--- a/libisoburn/trunk/xorriso/xorriso_timestamp.h
+++ b/libisoburn/trunk/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2013.09.05.081703"
+#define Xorriso_timestamP "2013.09.05.082833"