diff --git a/util/grub-mkconfig.in b/util/grub-mkconfig.in
index 9f477ff05..523d4e029 100644
--- a/util/grub-mkconfig.in
+++ b/util/grub-mkconfig.in
@@ -287,7 +287,8 @@ and /etc/grub.d/* files or please file a bug report with
     exit 1
   else
     # none of the children aborted with error, install the new grub.cfg
-    mv -f ${grub_cfg}.new ${grub_cfg}
+    cat ${grub_cfg}.new > ${grub_cfg}
+    rm -f ${grub_cfg}.new
   fi
 fi