diff --git a/WeakAuras/BuffTrigger2.lua b/WeakAuras/BuffTrigger2.lua
index 2d43a85..8865b81 100644
--- a/WeakAuras/BuffTrigger2.lua
+++ b/WeakAuras/BuffTrigger2.lua
@@ -1100,7 +1100,7 @@ end
 
 local function markForTriggerInfo(triggerInfo, unit)
   if triggerInfo.fetchRaidMark then
-    local rt = GetRaidTargetIndex(unit)
+    local rt = unit and GetRaidTargetIndex(unit)
     if rt then
       return "{rt" .. GetRaidTargetIndex(unit) .. "}"
     end