NRF24L01 can not be initialized

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I've started using different radio's now, not used nrf24l01's for a while, but when i did this is what i did

#include <Spi.h>
#include <mirf.h>
#include <nRF24L01.h>

int l=65;   // Cant remember what this was
int ledPin =  8; 
void setup()
{
//  Serial.begin(9600);
    pinMode(ledPin, OUTPUT); 

  Mirf.init();
  Mirf.setRADDR((byte *)"clie1");
  Mirf.payload = sizeof(int);
  Mirf.config();

}

void loop()
{
 // byte data[Mirf.payload];
  Mirf.setTADDR((byte *)"serv1");
 
  int temp = analogRead(0);  // read analog 0
  Mirf.send((byte *) &temp); // send the value
  
  while(Mirf.isSending())
  {
  }

  digitalWrite(ledPin, HIGH);  // blip the led to say it's sent
  delay(50);               
  digitalWrite(ledPin, LOW);   
  delay(950);      

}