diff --git a/ChangeLog b/ChangeLog
index 3c9c46d89..09761cec4 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2013-10-18  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* grub-core/kern/i386/pc/mmap.c (grub_machine_mmap_iterate): Pass
+	unknown types through.
+
 2013-10-18  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	* grub-core/osdep/unix/getroot.c (grub_util_check_block_device): Remove.
diff --git a/grub-core/kern/i386/pc/mmap.c b/grub-core/kern/i386/pc/mmap.c
index 7e5feea1a..b34cbad03 100644
--- a/grub-core/kern/i386/pc/mmap.c
+++ b/grub-core/kern/i386/pc/mmap.c
@@ -156,8 +156,7 @@ grub_machine_mmap_iterate (grub_memory_hook_t hook, void *hook_data)
 	if (hook (entry->addr, entry->len,
 		  /* GRUB mmaps have been defined to match with the E820 definition.
 		     Therefore, we can just pass type through.  */
-		  ((entry->type <= GRUB_MACHINE_MEMORY_BADRAM) && (entry->type >= GRUB_MACHINE_MEMORY_AVAILABLE)) ? entry->type : GRUB_MEMORY_RESERVED,
-		  hook_data))
+		  entry->type, hook_data))
 	  break;
 
 	if (! cont)