The rupee resumed marginally lower at 64.14 per dollar against Thursday's closing level of 64.12 per dollar at the interbank foreign exchange market.
The domestic currency hovered in a range of 64.14 and 64.0850 before quoting at 64.09 per dollar at 1025 hrs.
The dollar index against a basket of six major currencies was trading down 0.02 per cent at 92.108.
The greenback fell against safe-haven yen after North Korea's latest missile launch fueled geopolitical tensions.
Meanwhile, the benchmark Sensex was trading lower by 49.86 pts or 0.15 percent at 32,192.07 at 1030hrs.