diff --git a/Quartz/Config.lua b/Quartz/Config.lua
index 3b07a68..52bd773 100644
--- a/Quartz/Config.lua
+++ b/Quartz/Config.lua
@@ -193,8 +193,12 @@ end
 
 function Quartz3:ChatCommand(input)
 	if not input or input:trim() == "" then
-		InterfaceOptionsFrame_OpenToCategory(Quartz3.optFrames.Profiles)
-		InterfaceOptionsFrame_OpenToCategory(Quartz3.optFrames.Quartz3)
+		if InterfaceOptionsFrame_OpenToCategory then
+			InterfaceOptionsFrame_OpenToCategory(Quartz3.optFrames.Profiles)
+			InterfaceOptionsFrame_OpenToCategory(Quartz3.optFrames.Quartz3)
+		else
+			LibStub("AceConfigDialog-3.0"):Open("Quartz3")
+		end
 	else
 		LibStub("AceConfigCmd-3.0").HandleCommand(Quartz3, "quartz", "Quartz3", input)
 	end
diff --git a/Quartz/modules/Interrupt.lua b/Quartz/modules/Interrupt.lua
index 4443b47..39e854e 100644
--- a/Quartz/modules/Interrupt.lua
+++ b/Quartz/modules/Interrupt.lua
@@ -53,7 +53,15 @@ function Interrupt:ApplySettings()
 	db = self.db.profile
 end
 
-function Interrupt:COMBAT_LOG_EVENT_UNFILTERED(event, timestamp, combatEvent, _, sourceName, _, _, _, destFlags)
+-- 3.3.5 CLEU signature:
+-- (event, timestamp, subevent, hideCaster,
+--  srcGUID, srcName, srcFlags, srcRaidFlags,
+--  destGUID, destName, destFlags, destRaidFlags,
+--  spellId, spellName, spellSchool, extraSpellId, extraSpellName, extraSpellSchool)
+function Interrupt:COMBAT_LOG_EVENT_UNFILTERED(event, timestamp, combatEvent, hideCaster,
+		srcGUID, sourceName, srcFlags, srcRaidFlags,
+		destGUID, destName, destFlags, destRaidFlags,
+		spellId, spellName, spellSchool)
 	if combatEvent == "SPELL_INTERRUPT" and destFlags == 0x511 then
 		Player.Bar.Text:SetFormattedText(L["INTERRUPTED (%s)"], (sourceName or UNKNOWN):upper())
 		Player.Bar.Bar:SetStatusBarColor(unpack(db.interruptcolor))