diff --git a/WeakAuras/GenericTrigger.lua b/WeakAuras/GenericTrigger.lua
index 9ccc81d..38150e9 100644
--- a/WeakAuras/GenericTrigger.lua
+++ b/WeakAuras/GenericTrigger.lua
@@ -1234,6 +1234,9 @@ function GenericTrigger.Add(data, region)
           triggerFunc = WeakAuras.LoadFunction("return "..(trigger.custom or ""), id);
           if (trigger.custom_type == "stateupdate") then
             tsuConditionVariables = WeakAuras.LoadFunction("return function() return \n" .. (trigger.customVariables or "") .. "\n end");
+            if not tsuConditionVariables then
+              tsuConditionVariables = function() return end
+            end
           end
 
           if(trigger.custom_type == "status" or trigger.custom_type == "event" and trigger.custom_hide == "custom") then
diff --git a/WeakAuras/compat.lua b/WeakAuras/compat.lua
index 197a145..f7ac9be 100644
--- a/WeakAuras/compat.lua
+++ b/WeakAuras/compat.lua
@@ -238,7 +238,11 @@ if not C_Timer or C_Timer._version ~= 2 then
 	end
 
 	function C_Timer.After(duration, callback)
-		return CreateTicker(duration, callback, 1)
+		AddDelayedCall({
+			_remainingIterations = 1,
+			_delay = duration,
+			_callback = callback
+		})
 	end
 
 	function C_Timer.NewTimer(duration, callback)