diff --git a/game_api.txt b/game_api.txt
index bc5a8c7a..f7bcc1eb 100644
--- a/game_api.txt
+++ b/game_api.txt
@@ -690,6 +690,7 @@ Creates panes that automatically connect to each other
 		groups = {group = rating}, -- Uses the known node groups, see [Known damage and digging time defining groups]
 		sounds = SoundSpec,        -- See [#Default sounds]
 		recipe = {{"","","","","","","","",""}}, -- Recipe field only
+		use_texture_alpha = true, -- Optional boolean (default: `false`) for colored glass panes
 	}
 
 Raillike definitions
diff --git a/mods/xpanes/init.lua b/mods/xpanes/init.lua
index 40fddba6..755667de 100644
--- a/mods/xpanes/init.lua
+++ b/mods/xpanes/init.lua
@@ -104,6 +104,7 @@ function xpanes.register_pane(name, def)
 		groups = flatgroups,
 		drop = "xpanes:" .. name .. "_flat",
 		sounds = def.sounds,
+		use_texture_alpha = def.use_texture_alpha or false,
 		node_box = {
 			type = "fixed",
 			fixed = {{-1/2, -1/2, -1/32, 1/2, 1/2, 1/32}},
@@ -128,6 +129,7 @@ function xpanes.register_pane(name, def)
 		groups = groups,
 		drop = "xpanes:" .. name .. "_flat",
 		sounds = def.sounds,
+		use_texture_alpha = def.use_texture_alpha or false,
 		node_box = {
 			type = "connected",
 			fixed = {{-1/32, -1/2, -1/32, 1/32, 1/2, 1/32}},