diff --git a/src/rec/recWaveform.c b/src/rec/recWaveform.c
index c61332dc8..e7e931c56 100644
--- a/src/rec/recWaveform.c
+++ b/src/rec/recWaveform.c
@@ -389,7 +389,7 @@ static long readValue(pwf)
         if (pwf->simm == YES){
         	nRequest=pwf->nelm;
                 status=recGblGetLinkValue(&(pwf->siol),
-                                (void *)pwf,pwf->ftvl,&(pwf->bptr),&nRequest);
+                                (void *)pwf,pwf->ftvl,pwf->bptr,&nRequest);
         	pwf->nord = nRequest;
                 if (status==0){
                          pwf->udf=FALSE;