diff --git a/test/compare_file.c b/test/compare_file.c
index 366f8609..47be2f41 100644
--- a/test/compare_file.c
+++ b/test/compare_file.c
@@ -126,13 +126,13 @@ int Compare_2_files(char *adr1, char *adr2, char *adrc, int flag)
    differs= 1;
  }
  if(s1.st_uid != s2.st_uid) {
-   printf("%s : st_uid   :  %d  <>  %d\n",
-          a, (int) s1.st_uid, (int) s2.st_uid);
+   printf("%s : st_uid   :  %lu  <>  %lu\n",
+          a, (unsigned long) s1.st_uid, (unsigned long) s2.st_uid);
    differs= 1;
  }
  if(s1.st_gid != s2.st_gid) {
-   printf("%s : st_gid   :  %d  <>  %d\n",
-          a, (int) s1.st_gid, (int) s2.st_gid);
+   printf("%s : st_gid   :  %lu  <>  %lu\n",
+          a, (unsigned long) s1.st_gid, (unsigned long) s2.st_gid);
    differs= 1;
  }
  if((S_ISCHR(s1.st_mode) && S_ISCHR(s2.st_mode)) ||
diff --git a/xorriso/xorriso.c b/xorriso/xorriso.c
index 9ff53012..c32ecfaa 100644
--- a/xorriso/xorriso.c
+++ b/xorriso/xorriso.c
@@ -8093,15 +8093,15 @@ int Xorriso_compare_2_files(struct XorrisO *xorriso, char *disk_adr,
  }
 
  if(s1.st_uid != s2.st_uid) {
-   sprintf(respt, "%s st_uid   :   %d  <>  %d\n", a,
-           (int) s1.st_uid, (int) s2.st_uid);
+   sprintf(respt, "%s st_uid   :   %lu  <>  %lu\n", a,
+           (unsigned long) s1.st_uid, (unsigned long) s2.st_uid);
    if(!(flag&(1<<31)))
      Xorriso_result(xorriso,0);
    (*result)|= 16;
  }
  if(s1.st_gid != s2.st_gid) {
-   sprintf(respt, "%s st_gid   :   %d  <>  %d\n", a,
-           (int) s1.st_gid, (int) s2.st_gid);
+   sprintf(respt, "%s st_gid   :   %lu  <>  %lu\n", a,
+           (unsigned long) s1.st_gid, (unsigned long) s2.st_gid);
    if(!(flag&(1<<31)))
      Xorriso_result(xorriso,0);
    (*result)|= 32;
diff --git a/xorriso/xorriso_timestamp.h b/xorriso/xorriso_timestamp.h
index ba3d4a5d..186f1768 100644
--- a/xorriso/xorriso_timestamp.h
+++ b/xorriso/xorriso_timestamp.h
@@ -1 +1 @@
-#define Xorriso_timestamP "2010.04.11.122253"
+#define Xorriso_timestamP "2010.04.12.111137"