diff --git a/utils/formspec.lua b/utils/formspec.lua
index 57a7156..8e089ab 100644
--- a/utils/formspec.lua
+++ b/utils/formspec.lua
@@ -13,26 +13,26 @@ function generate(size)
 			chest_width = 14,
 			chest_height = 5,
 		}
-  end
-  -- calc padding to vertically align center the chest and the player's inventory
-  local player_inv_y_orig = cfg.chest_height + 0.85
-  local player_inv_x_orig = (cfg.window_width - 8) / 2 -- 8=player_inv_width
+	end
+	-- calc padding to vertically align center the chest and the player's inventory
+	local player_inv_y_orig = cfg.chest_height + 0.85
+	local player_inv_x_orig = (cfg.window_width - 8) / 2 -- 8=player_inv_width
 	return "size[" ..
-    cfg.window_width .. "," .. cfg.window_height .. "]" ..
-  	default.gui_bg ..
-  	default.gui_bg_img ..
-  	default.gui_slots ..
-  	"list[current_name;main;0,0.3;" ..
-    cfg.chest_width .. "," .. cfg.chest_height .. ";]" ..
-  	"list[current_player;main;" ..
-    player_inv_x_orig .. "," .. player_inv_y_orig ..
-    ";8,1;]" ..
-  	"list[current_player;main;" ..
-    player_inv_x_orig .. "," .. (player_inv_y_orig + 1.15) ..
-    ";8,3;8]" ..
-  	"listring[current_name;main]" ..
-  	"listring[current_player;main]" ..
-  	default.get_hotbar_bg(player_inv_x_orig, player_inv_y_orig)
+		cfg.window_width .. "," .. cfg.window_height .. "]" ..
+		default.gui_bg ..
+		default.gui_bg_img ..
+		default.gui_slots ..
+		"list[current_name;main;0,0.3;" ..
+		cfg.chest_width .. "," .. cfg.chest_height .. ";]" ..
+		"list[current_player;main;" ..
+		player_inv_x_orig .. "," .. player_inv_y_orig ..
+		";8,1;]" ..
+		"list[current_player;main;" ..
+		player_inv_x_orig .. "," .. (player_inv_y_orig + 1.15) ..
+		";8,3;8]" ..
+		"listring[current_name;main]" ..
+		"listring[current_player;main]" ..
+		default.get_hotbar_bg(player_inv_x_orig, player_inv_y_orig)
 end
 
 return generate