diff --git a/rpi-clone b/rpi-clone
index 09bca9b..cda3f63 100755
--- a/rpi-clone
+++ b/rpi-clone
@@ -1812,7 +1812,7 @@ then
 	if grep -q "$src_disk_ID" "${clone}${cmdline_txt}"
 	then
 		qecho "Editing $cmdline_txt PARTUUID to use $dst_disk_ID"
-		sed -i "s/${src_disk_ID}/${dst_disk_ID}/" "$cmdline_txt"
+		sed -i "s/${src_disk_ID}/${dst_disk_ID}/" "${clone}${cmdline_txt}"
 	elif [ "${src_fsuuid[root_part_num]}" != "" ] && grep -q "${src_fsuuid[root_part_num]}" "${clone}${cmdline_txt}"
 	then
 		new_fsuuid=${dst_fsuuid[root_part_num]}