diff --git a/xorriso/match.c b/xorriso/match.c
index 4bca3b00..b734c6d6 100644
--- a/xorriso/match.c
+++ b/xorriso/match.c
@@ -694,7 +694,7 @@ int Xorriso_expand_disk_pattern(struct XorrisO *xorriso,
    goto ex;
 
  count+= extra_filec;
- mem+= extra_filec*sizeof(char *);
+ (*mem)+= extra_filec * sizeof(char *);
 
  if(count<=0)
    {ret= 0; goto ex;}
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index eb8031e7..7de77e26 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2015.11.04.100839"
+#define Xorriso_timestamP "2015.11.04.105349"