The present invention provides a process for dyeing a polyester-cotton blend fabric with disperse and reactive dyes in a one-bath process in which a padding liquor comprising dyes, alkali and a buffering system is padded onto the fabric and subsequently dried and thermosoled, which comprises (i) using sodium bicarbonate and/or sodium carbonate as alkali and borax or boric acid as buffer, and (ii) drying at 100 to 150°C and 20% to 40% by volume relative humidity and subsequently thermosoling at 190 to 230°C without intervening step.
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