diff --git a/ChangeLog b/ChangeLog
index 7a2a07b6a..3c3933f1f 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,9 @@
+2013-10-09  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* util/misc.c (grub_util_write_image_at): Don't use PRIxGRUB_SIZE for
+	size_t.
+	(grub_util_write_image): Likewise.
+
 2013-10-08  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	* grub-core/osdep/basic/random.c: New file. Abort on an attempt to
diff --git a/util/misc.c b/util/misc.c
index ad9db79f8..0893e7d68 100644
--- a/util/misc.c
+++ b/util/misc.c
@@ -140,8 +140,8 @@ void
 grub_util_write_image_at (const void *img, size_t size, off_t offset, FILE *out,
 			  const char *name)
 {
-  grub_util_info ("writing 0x%" PRIxGRUB_SIZE " bytes at offset 0x%llx",
-		  size, (unsigned long long) offset);
+  grub_util_info ("writing 0x%llx bytes at offset 0x%llx",
+		  (unsigned long long) size, (unsigned long long) offset);
   if (fseeko (out, offset, SEEK_SET) == -1)
     grub_util_error (_("cannot seek `%s': %s"),
 		     name, strerror (errno));
@@ -154,7 +154,7 @@ void
 grub_util_write_image (const char *img, size_t size, FILE *out,
 		       const char *name)
 {
-  grub_util_info ("writing 0x%" PRIxGRUB_SIZE " bytes", size);
+  grub_util_info ("writing 0x%llx bytes", (unsigned long long) size);
   if (fwrite (img, 1, size, out) != size)
     {
       if (!name)