The Australian dollar fell by a fifth of a US cent after the release of weaker than expected international trade figures.
Australia posted a goods and services trade deficit of $765 million in July in seasonally adjusted terms, after a $243 million surplus in June, official figures show.
Market forecasts had centred on a surplus of $100 million.
At 1133 AEST, the Australia dollar was at 91.58 US cents, down from 91.76 cents just before the figures were released.
The currency ended Wednesday's local session at 91.29 cents.