diff --git a/src/climate/radiation.c b/src/climate/radiation.c
index de6d8e7205e27d24464ba71fc3e8b3578c66f6af..ccc38616ff0824a6f373c2e9953a06357e5aa128 100644
--- a/src/climate/radiation.c
+++ b/src/climate/radiation.c
@@ -31,7 +31,7 @@ void radiation(Real *daylength,       /**< daylength (h) */
   switch(with_radiation)
   {
     case CLOUDINESS:
-      petpar(daylength,par,&climate->swdown,eeq,lat,day,climate->temp,
+      petpar(daylength,par,eeq,&climate->swdown,lat,day,climate->temp,
              climate->sun,beta);
       break;
     case RADIATION: