A Kasey McAteer brace hands Enzo Maresca's Leicester City all three points against Rotherham.
The win over the fellow Championship side made it four wins in as many games for the Foxes.
The defeat against Leicester means that Rotherham are still yet to win a game in the league this season.
MATCH FACTS
Rotherham (4-3-3): 1. Johansson (GK) — 2. Lembikisa 24. Humphreys, 6. Blackett, 3. Bramall — 18. Rathbone (McGuckin, 88) , 27. Tiéhi (Kayodeat, 81), 7. Ribeiro Dias — 11. Green (Appiah, 72), 10. Hugill (Eaves, 71), 14. Onyedinma
Leicester City (4-3-3): 30.