diff --git a/mainwindow.cpp b/mainwindow.cpp
index 1cf4b981e..79030e0dc 100644
--- a/mainwindow.cpp
+++ b/mainwindow.cpp
@@ -982,8 +982,6 @@ void MainWindow::dataSink(qint64 frames)
   QByteArray bafname = fname.toLatin1();
   const char *c_fname = bafname.data();
   int len=fname.length();
-  m_bUseRef=m_wideGraph->useRef();
-  refspectrum_(&dec_data.d2[k-3456],&m_bRefSpec,&m_bUseRef,c_fname,len);
 
   if(m_diskData) {
     dec_data.params.ndiskdat=1;
@@ -996,6 +994,9 @@ void MainWindow::dataSink(qint64 frames)
     return;
   }
 
+  m_bUseRef=m_wideGraph->useRef();
+  refspectrum_(&dec_data.d2[k-3456],&m_bRefSpec,&m_bUseRef,c_fname,len);
+
 // Get power, spectrum, and ihsym
   int trmin=m_TRperiod/60;
 //  int k (frames - 1);