Float to String does not work

Projects Programming
4 
 canValue  123, dividedCanValue 12.300

char s [80];
char t [80];

void
setup (void)
{
    Serial.begin (9600);

    int   canValue = 123;
    float dividedCanValue = canValue / 10.0;

    dtostrf (dividedCanValue, 6, 3, t);
    sprintf (s, " canValue %4d, dividedCanValue %s", canValue, t);
    Serial.println (s);
}

void
loop (void)
{
}