Graham Nicholson booted two field goals for the RedHawks.
Miami must wins its season finale Tuesday night against visiting Ball State to become bowl eligible.
Quarterback Aveon Smith rushed for 105 yards and two touchdowns and passed for another score Wednesday night to lead Miami to a 29-23 win at Northern Illinois in Mid-American Conference.
Smith, who started in place of injured starter Brett Gabbert, scored on runs of 10 and 15 yards in the second quarter to put the RedHawks (5-6, 3-4 MAC East) up 16-10 at halftime. Smith tossed a 47-yard TD pass to Mac Hippenhammer in the third quarter to put Miami 26-17. Hippenhammer finished wtih five receptions for 105 yards.