diff --git a/PetCare.lua b/PetCare.lua
index e1fd0a7..17dc02a 100644
--- a/PetCare.lua
+++ b/PetCare.lua
@@ -68,7 +68,7 @@ local function HasBuff(unit,id,filter)
   filter = filter or "CANCELABLE"
   local index,res=1,true
   while res do
-    res=select(10,UnitBuff(unit,index,filter))
+    res=select(10,C_UnitAuras.GetBuffDataByIndex(unit,index,filter))
     if res and res == id then return index end
     index=index+1
   end
diff --git a/RelNotes.lua b/RelNotes.lua
index 54c14c3..a2ebeab 100644
--- a/RelNotes.lua
+++ b/RelNotes.lua
@@ -14,8 +14,9 @@ can play a sound if you enter a non PVP instance with Growl active
 alerts can be disabled in PVP
 ]])
 self:HF_Paragraph("Release Notes")
-self:RelNotes(6,10,3,[[
+self:RelNotes(6,10,4,[[
 Fix: was not loading
+Fix: UnitBuff error
 ]])
 self:RelNotes(6,10,2,[[
 Library update