diff --git a/deco.lua b/deco.lua
index ac67a82..105187a 100644
--- a/deco.lua
+++ b/deco.lua
@@ -119,7 +119,7 @@ do
 
     if odeco.schematic then
       deco.name = odeco.schematic:match('([%w_]+)%.mts') or odeco.schematic
-    else
+    elseif odeco.decoration and type(odeco.decoration) == 'string' then
       deco.name = odeco.decoration:match('.*:([%w_]+)') or odeco.decoration
     end
 
diff --git a/init.lua b/init.lua
index 4dcab2d..2c7fbb0 100644
--- a/init.lua
+++ b/init.lua
@@ -162,7 +162,7 @@ else
   -- This tables looks up nodes that aren't already stored.
   squaresville.node = setmetatable({}, {
     __index = function(t, k)
-      if not (t and k and type(t) == 'table') then
+      if not (t and k and type(t) == 'table' and type(k) == 'string') then
         return
       end
 
diff --git a/nodes.lua b/nodes.lua
index 912f58a..a922b9a 100644
--- a/nodes.lua
+++ b/nodes.lua
@@ -358,7 +358,7 @@ newnode.groups.poison = 3
 newnode.liquid_alternative_flowing = "squaresville:water_poison_flowing"
 newnode.liquid_alternative_source = "squaresville:water_poison_source"
 newnode.post_effect_color = {a = 103, r = 108, g = 128, b = 64}
-newnode.special_tiles[1].name = "squaresville_water_poison_source_animated.png"
+--newnode.special_tiles[1].name = "squaresville_water_poison_source_animated.png"
 newnode.tiles[1].name = "squaresville_water_poison_source_animated.png"
 minetest.register_node("squaresville:water_poison_source", newnode)
 
@@ -369,7 +369,7 @@ newnode.groups.poison = 3
 newnode.liquid_alternative_flowing = "squaresville:water_poison_flowing"
 newnode.liquid_alternative_source = "squaresville:water_poison_source"
 newnode.post_effect_color = {a = 103, r = 108, g = 128, b = 64}
-newnode.special_tiles[1].name = "squaresville_water_poison_flowing_animated.png"
+--newnode.special_tiles[1].name = "squaresville_water_poison_flowing_animated.png"
 newnode.tiles[1] = "squaresville_water_poison.png"
 minetest.register_node("squaresville:water_poison_flowing", newnode)