diff --git a/xorriso/iso_tree.c b/xorriso/iso_tree.c
index 91a989a2..6dc61f97 100644
--- a/xorriso/iso_tree.c
+++ b/xorriso/iso_tree.c
@@ -2084,7 +2084,7 @@ int Xorriso_expand_pattern(struct XorrisO *xorriso,
  if(ret<=0)
    goto ex;
  count+= extra_filec;
- mem+= extra_filec*sizeof(char *);
+ (*mem)+= extra_filec * sizeof(char *);
  if(count<=0)
    {ret= 0; goto ex;}
  ret= Xorriso_alloc_pattern_mem(xorriso, *mem, count, filev, !!(flag & 4));
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index 7de77e26..1d2203a5 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2015.11.04.105349"
+#define Xorriso_timestamP "2015.11.04.110102"