diff --git a/README.md b/README.md
index 990f09c..fa00562 100644
--- a/README.md
+++ b/README.md
@@ -6,6 +6,10 @@ Minetest mod that adds scifi themed blocks, doors, materials, plants and other a
 
 # Changes log
 
+* 14/08/2019 : retrocompatibility fixed (aliases in doors.lua)
+* 13/08/2019 :
+  * added mod option doors_open_with_mesecon_only (default = false)
+  * fixed a bug preventing the option from working
 * 05/09/2019 : door opening on rightclick is disabled (maybe reactivated via a mod option)
 * 05/08/2019 :
   * digicodes now work
diff --git a/doors.lua b/doors.lua
index cffc92d..88012e3 100644
--- a/doors.lua
+++ b/doors.lua
@@ -19,25 +19,25 @@ local scifi_nodes = {}
 scifi_nodes.doors_open_with_mesecon_only = minetest.settings:get_bool("scifi_nodes.doors_open_with_mesecon_only", false)
 
 -- Some aliases to deal with old namming policy --
-minetest.register_alias("scifi_nodes:doors_1a","scifi_nodes:Doom_door_closed")
-minetest.register_alias("scifi_nodes:doors_1b","scifi_nodes:Doom_door_closed_top")
-minetest.register_alias("scifi_nodes:doors_1c","scifi_nodes:Doom_door_opened")
-minetest.register_alias("scifi_nodes:doors_1d","scifi_nodes:Doom_door_opened_top")
+minetest.register_alias("scifi_nodes:doors1a","scifi_nodes:Doom_door_closed")
+minetest.register_alias("scifi_nodes:doors1b","scifi_nodes:Doom_door_closed_top")
+minetest.register_alias("scifi_nodes:doors1c","scifi_nodes:Doom_door_opened")
+minetest.register_alias("scifi_nodes:doors1d","scifi_nodes:Doom_door_opened_top")
 
-minetest.register_alias("scifi_nodes:doors_2a","scifi_nodes:black_door_closed")
-minetest.register_alias("scifi_nodes:doors_2b","scifi_nodes:black_door_closed_top")
-minetest.register_alias("scifi_nodes:doors_2c","scifi_nodes:black_door_opened")
-minetest.register_alias("scifi_nodes:doors_2d","scifi_nodes:black_door_opened_top")
+minetest.register_alias("scifi_nodes:doors2a","scifi_nodes:black_door_closed")
+minetest.register_alias("scifi_nodes:doors2b","scifi_nodes:black_door_closed_top")
+minetest.register_alias("scifi_nodes:doors2c","scifi_nodes:black_door_opened")
+minetest.register_alias("scifi_nodes:doors2d","scifi_nodes:black_door_opened_top")
 
-minetest.register_alias("scifi_nodes:doors_3a","scifi_nodes:white_door_closed")
-minetest.register_alias("scifi_nodes:doors_3b","scifi_nodes:white_door_closed_top")
-minetest.register_alias("scifi_nodes:doors_3c","scifi_nodes:white_door_opened")
-minetest.register_alias("scifi_nodes:doors_3d","scifi_nodes:white_door_opened_top")
+minetest.register_alias("scifi_nodes:doors3a","scifi_nodes:white_door_closed")
+minetest.register_alias("scifi_nodes:doors3b","scifi_nodes:white_door_closed_top")
+minetest.register_alias("scifi_nodes:doors3c","scifi_nodes:white_door_opened")
+minetest.register_alias("scifi_nodes:doors3d","scifi_nodes:white_door_opened_top")
 
-minetest.register_alias("scifi_nodes:doors_4a","scifi_nodes:green_door_closed")
-minetest.register_alias("scifi_nodes:doors_4b","scifi_nodes:green_door_closed_top")
-minetest.register_alias("scifi_nodes:doors_4c","scifi_nodes:green_door_opened")
-minetest.register_alias("scifi_nodes:doors_4d","scifi_nodes:green_door_opened_top")
+minetest.register_alias("scifi_nodes:doors4a","scifi_nodes:green_door_closed")
+minetest.register_alias("scifi_nodes:doors4b","scifi_nodes:green_door_closed_top")
+minetest.register_alias("scifi_nodes:doors4c","scifi_nodes:green_door_opened")
+minetest.register_alias("scifi_nodes:doors4d","scifi_nodes:green_door_opened_top")
 
 -- This table now uses named parameters and more convenient variables names
 local doors = {