diff --git a/lua/pac3/core/client/base_part.lua b/lua/pac3/core/client/base_part.lua
index 77867800..15359470 100644
--- a/lua/pac3/core/client/base_part.lua
+++ b/lua/pac3/core/client/base_part.lua
@@ -61,6 +61,8 @@ function PART:PreInitialize()
 	self.hide_disturbing = false
 	self.active_events = {}
 	self.active_events_ref_count = 0
+	local cvarName = "pac_enable_" .. string.Replace(self.ClassName, " ", "_"):lower()
+	if not GetConVar(cvarName):GetBool() then self:SetWarning("This part class is disabled! Enable it with " .. cvarName .. " 1") end
 end
 
 function PART:Initialize() end
diff --git a/lua/pac3/core/client/parts.lua b/lua/pac3/core/client/parts.lua
index 29de0987..3fc9157b 100644
--- a/lua/pac3/core/client/parts.lua
+++ b/lua/pac3/core/client/parts.lua
@@ -89,7 +89,7 @@ function pac.RegisterPart(META)
 		local cvarName = "pac_enable_" .. string.Replace(META.ClassName, " ", "_"):lower()
 		local cvar = CreateClientConVar(cvarName, "1", true)
 
-		cvars.AddChangeCallback("pac_enable_" .. META.ClassName, function(name, old, new)
+		cvars.AddChangeCallback(cvarName, function(name, old, new)
 			local enable = tobool(new)
 			META.GloballyEnabled = enable
 			if enable then