Adam Rooney's penalty midway through the first half earned Aberdeen a 1-0 win over Hamilton Accies at Pittodrie on Tuesday evening.
It was a seventh straight victory for Derek McInnes' side and moves them five points clear of reigning champions Celtic at the top of the table.
Aberdeen take their perfect record to Tynecastle on Sunday - live on Sky Sports at 2.15pm - while Accies face Motherwell in the Lanarkshire derby at New Douglas Park on Saturday.