[Solved]ATtiny 85 and servo library

I can´t get my servo to work, using the same code as posted before.

#include <SoftwareServo.h>

SoftwareServo servo;

void setup()
{ 
  servo.attach(0);}

void loop() {
    int pos;
    for(pos = 0; pos < 180; pos +=1) { 
        servo.write(pos);              
        delay(100);                      
        SoftwareServo::refresh();//this row....
    } 
    for(pos = 180; pos>=1; pos-=1) {                                
        servo.write(pos);              
        delay(100);                      
        SoftwareServo::refresh();//This row....
    } 
}

The servo turns when being upload. And also rotate half a time, but then it stops.