diff --git a/ChangeLog b/ChangeLog
index 5ca62d00b..615c9a1a3 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2013-03-25  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* grub-core/disk/ahci.c: Give more time for AHCI request.
+
 2013-03-25  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	* grub-core/normal/menu.c: Wait if there were errors shown at "boot"
diff --git a/grub-core/disk/ahci.c b/grub-core/disk/ahci.c
index f9258fd8a..143ab97b3 100644
--- a/grub-core/disk/ahci.c
+++ b/grub-core/disk/ahci.c
@@ -619,7 +619,7 @@ grub_ahci_readwrite_real (struct grub_ahci_device *dev,
   grub_dprintf ("ahci", "AHCI tfd = %x\n",
 		dev->hba->ports[dev->port].task_file_data);
 
-  endtime = grub_get_time_ms () + (spinup ? 10000 : 1000);
+  endtime = grub_get_time_ms () + (spinup ? 10000 : 5000);
   while ((dev->hba->ports[dev->port].command_issue & 1))
     if (grub_get_time_ms () > endtime)
       {