Staples reported mixed results for its first quarter as earnings came in line with expectations but its revenue fell short.

The office supplies retailer reported adjusted earnings of 17 cents a share, in line with Wall Street forecasts. Total sales fell 5% to $4.1 billion, short of analysts’ expectations. Total company same-store sales fell 3%, beating estimates.

Staples said it expects to generate at least $500 million of free cash flow for the full year…