diff --git a/ChangeLog b/ChangeLog
index d6f146aba..7af6f5bdd 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2000-10-07  OKUJI Yoshinori  <okuji@gnu.org>
+
+	* lib/device.c [__linux__] (write_to_partition): Open DEV with
+	O_RDWR instead of O_ORONLY.
+	
 2000-10-06  Alessandro Rubini  <rubini@gnu.org>
 
 	* docs/user-ref.texi (Commands): Added missing commands and
diff --git a/lib/device.c b/lib/device.c
index 84eafcf33..62d6085bb 100644
--- a/lib/device.c
+++ b/lib/device.c
@@ -550,7 +550,7 @@ write_to_partition (char **map, int drive, int partition,
   sprintf (dev, "%s%d", map[drive], ((partition >> 16) & 0xFF) + 1);
   
   /* Open the partition.  */
-  fd = open (dev, O_RDONLY);
+  fd = open (dev, O_RDWR);
   if (fd < 0)
     {
       errnum = ERR_NO_PART;
diff --git a/stage2/builtins.c b/stage2/builtins.c
index a375e604a..fb58bb0d6 100644
--- a/stage2/builtins.c
+++ b/stage2/builtins.c
@@ -2018,7 +2018,7 @@ install_func (char *arg, int flags)
 #endif /* GRUB_UTIL && __linux__ */
     {
       grub_memmove ((char *) SCRATCHADDR, stage1_buffer, SECTOR_SIZE);
-      if (biosdisk (BIOSDISK_WRITE,	dest_drive, &dest_geom,
+      if (biosdisk (BIOSDISK_WRITE, dest_drive, &dest_geom,
 		    dest_sector, 1, SCRATCHSEG))
 	{
 	  errnum = ERR_WRITE;