diff --git a/register.lua b/register.lua
index d9df3a2..0d1646f 100644
--- a/register.lua
+++ b/register.lua
@@ -4,7 +4,7 @@ paintings_texture = {}
 
 -- define the node registration function
 function paintings_lib.register1x1(identifier, display_name, texture)
-  local node_name = ":paintings_lib:1x1_"..display_name:gsub("%s+", "_")
+  local node_name = ":paintings_lib:1x1_"..identifier:gsub("%s+", "_")
   paintings_name[identifier] = paintings_name[identifier] or {}
   paintings_name[identifier]["1x1"] = node_name
   paintings_texture[node_name] = texture
@@ -28,7 +28,7 @@ end
 
 -- define the node registration function
 function paintings_lib.register1x2(identifier, display_name, texture)
-  local node_name = ":paintings_lib:1x2_"..display_name:gsub("%s+", "_")
+  local node_name = ":paintings_lib:1x2_"..identifier:gsub("%s+", "_")
   paintings_name[identifier] = paintings_name[identifier] or {}
   paintings_name[identifier]["1x2"] = node_name
   paintings_texture[node_name] = texture
@@ -52,7 +52,7 @@ end
 
 -- define the node registration function
 function paintings_lib.register2x1(identifier, display_name, texture)
-  local node_name = ":paintings_lib:2x1_"..display_name:gsub("%s+", "_")
+  local node_name = ":paintings_lib:2x1_"..identifier:gsub("%s+", "_")
   paintings_name[identifier] = paintings_name[identifier] or {}
   paintings_name[identifier]["2x1"] = node_name
   paintings_texture[node_name] = texture
@@ -76,7 +76,7 @@ end
 
 -- define the node registration function
 function paintings_lib.register2x2(identifier, display_name, texture)
-  local node_name = ":paintings_lib:2x2_"..display_name:gsub("%s+", "_")
+  local node_name = ":paintings_lib:2x2_"..identifier:gsub("%s+", "_")
   paintings_name[identifier] = paintings_name[identifier] or {}
   paintings_name[identifier]["2x2"] = node_name
   paintings_texture[node_name] = texture
@@ -100,7 +100,7 @@ end
 
 -- define the node registration function
 function paintings_lib.register3x2(identifier, display_name, texture)
-  local node_name = ":paintings_lib:3x2_"..display_name:gsub("%s+", "_")
+  local node_name = ":paintings_lib:3x2_"..identifier:gsub("%s+", "_")
   paintings_name[identifier] = paintings_name[identifier] or {}
   paintings_name[identifier]["3x2"] = node_name
   paintings_texture[node_name] = texture
@@ -124,7 +124,7 @@ end
 
 -- define the node registration function
 function paintings_lib.register3x3(identifier, display_name, texture)
-  local node_name = ":paintings_lib:3x3_"..display_name:gsub("%s+", "_")
+  local node_name = ":paintings_lib:3x3_"..identifier:gsub("%s+", "_")
   paintings_name[identifier] = paintings_name[identifier] or {}
   paintings_name[identifier]["3x3"] = node_name
   paintings_texture[node_name] = texture
@@ -148,7 +148,7 @@ end
 
 -- define the node registration function
 function paintings_lib.register4x2(identifier, display_name, texture)
-  local node_name = ":paintings_lib:4x2_"..display_name:gsub("%s+", "_")
+  local node_name = ":paintings_lib:4x2_"..identifier:gsub("%s+", "_")
   paintings_name[identifier] = paintings_name[identifier] or {}
   paintings_name[identifier]["4x2"] = node_name
   paintings_texture[node_name] = texture
@@ -172,7 +172,7 @@ end
 
 -- define the node registration function
 function paintings_lib.register4x3(identifier, display_name, texture)
-  local node_name = ":paintings_lib:4x3_"..display_name:gsub("%s+", "_")
+  local node_name = ":paintings_lib:4x3_"..identifier:gsub("%s+", "_")
   paintings_name[identifier] = paintings_name[identifier] or {}
   paintings_name[identifier]["4x3"] = node_name
   paintings_texture[node_name] = texture
@@ -196,7 +196,7 @@ end
 
 -- define the node registration function
 function paintings_lib.register4x4(identifier, display_name, texture)
-  local node_name = ":paintings_lib:4x4_"..display_name:gsub("%s+", "_")
+  local node_name = ":paintings_lib:4x4_"..identifier:gsub("%s+", "_")
   paintings_name[identifier] = paintings_name[identifier] or {}
   paintings_name[identifier]["4x4"] = node_name
   paintings_texture[node_name] = texture