Dragon stack glitch, stuck at 4 stacks. (ranked game)

The game was too close and we could have really used the 5th stack. Annoying bug since we had superb dragon control but did not reap its full benefits. We killed the dragons six times during the game.

The 'Tab' menu showed that we only had 4 stacks, and the icon above the items showed only 4 stacks.

-- Luke