Starbucks has reported better-than-expected sales in its fiscal first quarter as some of its turnaround efforts start to take hold.

Brian Niccol, who is four months into his new role, has set forth a raft of measures to improve the coffee chain's business.

Starbucks (SBUX) reported a decline in same-store sales for the fourth straight quarter. However, the company’s earnings and revenue beat Wall Street’s expectations. Shares of Starbucks popped by more than 4% in after hours trading.