diff --git a/teleport_tube.lua b/teleport_tube.lua
index 3a870f5..bb364db 100644
--- a/teleport_tube.lua
+++ b/teleport_tube.lua
@@ -111,7 +111,7 @@ local function update_meta(meta, can_receive)
 	meta:set_string("formspec","size[8.6,2.2]"..
 			"field[0.6,0.6;7,1;channel;Channel:;${channel}]"..
 			"label[7.3,0;Receive]"..
-			"image_button[7.3,0.3;1,1;pipeworks_button_" .. cr_state .. ".png;cr" .. (can_receive and 0 or 1) .. ";;;false;pipeworks_button_interm.png]"..
+			"image_button[7.3,0.3;1,0.6;pipeworks_button_" .. cr_state .. ".png;cr" .. (can_receive and 0 or 1) .. ";;;false;pipeworks_button_interm.png]"..
 			"image[0.3,1.3;1,1;pipeworks_teleport_tube_inv.png]"..
 			"label[1.6,1.2;channels are public by default]" ..
 			"label[1.6,1.5;use <player>:<channel> for fully private channels]" ..