Not receiving AXP from mission war

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For the last two weeks or so, I have noticed that I have not received the AXP from war. For example, in a recent war I scored 120pts and in the reward window, it said 12AXP. Then when I went to look at my AP after accepting the reward, my AP went from 3 to 4. Isn't the AXP reward equal to 10% of your score rounded down to the nearest integer?