Tier 1 and Tier 2 in ActivityHistory: Possible Bug?

I noticed something about the activity tiers: When I query the API for ActivityHistroy with ?mode=Raid&definitions=True I receive 6 definitions. For each raid 2. One Heroic, One Normal. Crota and VoG Normal list "tier": 1 Crota and VoG Heroic list "tier": 2 King's Fall Normal lists "tier": 1 King's Fall [b]Heroic[/b] lists "tier": [b]1[/b] Is this a bug? Currently the only [u]save[/u] way to check for Heroic is to search skulls[i].displayName == "Heroic"... Please tell me this is a bug and we'll be able to check for Heroic by (tier > 1) soon?