I find two blocks and you reward me with a pool diff of 1280!?

[23:02:38] Pool 0 difficulty changed to 1280
[23:02:38] Accepted 4a93714f Diff 879/128 GPU 1 at Pool 0
[23:02:49] Found block for Pool 0!
[23:02:49] Accepted 3a04fe27 Diff 289K/1280 BLOCK! GPU 0 at Pool 0
[23:03:06] Accepted 03373995 Diff 20.4K/1280 GPU 0 at Pool 0
[23:04:01] Found block for Pool 0!
[23:04:01] Accepted 93e80614 Diff 113K/1280 BLOCK! GPU 1 at Pool 0
[23:05:06] Accepted 0679a5a0 Diff 10.1K/1280 GPU 1 at Pool 0
[23:06:51] Accepted 2ff077e2 Diff 1.37K/1280 GPU 0 at Pool 0