diff --git a/moremesecons_commandblock/init.lua b/moremesecons_commandblock/init.lua
index f9d63ee..da1eca4 100644
--- a/moremesecons_commandblock/init.lua
+++ b/moremesecons_commandblock/init.lua
@@ -5,7 +5,7 @@ local function initialize_data(meta)
 
 	local commands = meta:get_string("commands")
 	meta:set_string("formspec",
-		"invsize[9,5;]" ..
+		"size[9,5]" ..
 		"textarea[0.5,0.5;8.5,4;commands;Commands;"..minetest.formspec_escape(commands).."]" ..
 		"label[1,3.8;@nearest is replaced by the nearest player name ("..tostring(NEAREST_MAX_DISTANCE).." nodes max for the nearest distance)".."]" ..
 		"button_exit[3.3,4.5;2,1;submit;Submit]")