diff --git a/ChangeLog b/ChangeLog
index bf375bc64..8e864dddb 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2010-05-18  Vladimir Serbinenko  <phcoder@gmail.com>
+
+	* util/grub-mkrescue.in: Remove -O i386-pc duplication.
+	Reported by: Seth Goldberg.
+
 2010-05-18  Vladimir Serbinenko  <phcoder@gmail.com>
 
 	* po/POTFILES: Rename util/grub-mkrawimage.c to util/grub-mkimage.c.
diff --git a/util/grub-mkrescue.in b/util/grub-mkrescue.in
index 6018816b3..7e7253006 100644
--- a/util/grub-mkrescue.in
+++ b/util/grub-mkrescue.in
@@ -219,7 +219,7 @@ grub_mkisofs_arguments="${grub_mkisofs_arguments} --modification-date=$(echo ${i
 if test -e "${pc_dir}" ; then
     echo "Enabling BIOS support ..."
     core_img=`mktemp "$MKTEMP_TEMPLATE"`
-    $grub_mkimage -O i386-pc -d ${pc_dir}/ -O i386-pc -o ${core_img} --prefix=/boot/grub/i386-pc \
+    $grub_mkimage -O i386-pc -d ${pc_dir}/ -o ${core_img} --prefix=/boot/grub/i386-pc \
         iso9660 biosdisk
     cat ${pc_dir}/cdboot.img ${core_img} > ${iso9660_dir}/boot/grub/i386-pc/eltorito.img