I tried sending 50 BTC. The confirmation dialog told me that was 000 025 uBTC. It seems to be missing the first two digits:  I built from commit 536207f3167daad1fa3d60a1de7d9cb55db28ac9 Date: Fri Sep 4 17:03:24 2015 +0200 Edit: it appears to work fine for smaller amounts: 