diff --git a/game_api.txt b/game_api.txt
index 352f4584..b47b0c5d 100644
--- a/game_api.txt
+++ b/game_api.txt
@@ -228,8 +228,9 @@ The doors mod allows modders to register custom doors and trapdoors.
 	gain_open = 0.3, -- optional, defaults to 0.3
 	gain_close = 0.3, -- optional, defaults to 0.3
 	protected = false, -- If true, only placer can open the door (locked for others)
-	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing) 
+	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing), 
 	-- optional function containing the on_rightclick callback, defaults to a doors.door_toggle-wrapper
+	use_texture_alpha = "clip",
 
 ### Trapdoor definition
 
@@ -249,10 +250,9 @@ The doors mod allows modders to register custom doors and trapdoors.
 	gain_open = 0.3, -- optional, defaults to 0.3
 	gain_close = 0.3, -- optional, defaults to 0.3
 	protected = false, -- If true, only placer can open the door (locked for others)
-	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing) 
-	-- function containing the on_rightclick callback
-	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing) 
+	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing) ,
 	-- function containing the on_rightclick callback
+	use_texture_alpha = "clip",
 
 ### Fence gate definition
 
@@ -262,7 +262,7 @@ The doors mod allows modders to register custom doors and trapdoors.
 	material = "default:wood",
 	groups = {choppy = 2, oddly_breakable_by_hand = 2, flammable = 2},
 	sounds = default.node_sound_wood_defaults(), -- optional
-	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing) 
+	on_rightclick = function(pos, node, clicker, itemstack, pointed_thing)
 	-- function containing the on_rightclick callback
 
 
diff --git a/mods/doors/init.lua b/mods/doors/init.lua
index f222ecad..6681055a 100644
--- a/mods/doors/init.lua
+++ b/mods/doors/init.lua
@@ -446,7 +446,7 @@ function doors.register(name, def)
 	def.buildable_to = false
 	def.selection_box = {type = "fixed", fixed = {-1/2,-1/2,-1/2,1/2,3/2,-6/16}}
 	def.collision_box = {type = "fixed", fixed = {-1/2,-1/2,-1/2,1/2,3/2,-6/16}}
-	def.use_texture_alpha = "clip"
+	def.use_texture_alpha = def.use_texture_alpha or "clip"
 
 	def.mesh = "door_a.b3d"
 	minetest.register_node(":" .. name .. "_a", table.copy(def))
@@ -600,7 +600,7 @@ function doors.register_trapdoor(name, def)
 	def.paramtype = "light"
 	def.paramtype2 = "facedir"
 	def.is_ground_content = false
-	def.use_texture_alpha = "clip"
+	def.use_texture_alpha = def.use_texture_alpha or "clip"
 
 	if def.protected then
 		def.can_dig = can_dig_door