diff --git a/ChangeLog b/ChangeLog
index 87e89b4c4..0ac5e5838 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2012-02-27  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* grub-core/disk/diskfilter.c (grub_diskfilter_iterate): Fix off-by-one
+	error.
+
 2012-02-27  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	* configure.ac: Remove inappropriate use of program_transform_name
diff --git a/grub-core/disk/diskfilter.c b/grub-core/disk/diskfilter.c
index b02fcc60e..14f7c0340 100644
--- a/grub-core/disk/diskfilter.c
+++ b/grub-core/disk/diskfilter.c
@@ -214,7 +214,7 @@ grub_diskfilter_iterate (int (*hook) (const char *name),
 
   if (pull == GRUB_DISK_PULL_RESCAN)
     {
-      islcnt = inscnt;
+      islcnt = inscnt + 1;
       scan_devices (NULL);
     }