diff --git a/logbook/logbook.cpp b/logbook/logbook.cpp
index 411d6240c..2d4340299 100644
--- a/logbook/logbook.cpp
+++ b/logbook/logbook.cpp
@@ -101,7 +101,7 @@ QByteArray LogBook::QSOToADIF (QString const& hisCall, QString const& hisGrid, Q
   t += " <band:" + QString::number(band.size()) + ">" + band;
   t += " <freq:" + QString::number(strDialFreq.size()) + ">" + strDialFreq;
   t += " <station_callsign:" + QString::number(myCall.size()) + ">" + myCall;
-  t += " <my_gridsquare:" + QString::number(myGrid.size()) + ">" + myGrid;
+  if(myGrid!="") t += " <my_gridsquare:" + QString::number(myGrid.size()) + ">" + myGrid;
   if(txPower!="") t += " <tx_pwr:" + QString::number(txPower.size()) + ">" + txPower;
   if(comments!="") t += " <comment:" + QString::number(comments.size()) + ">" + comments;
   if(name!="") t += " <name:" + QString::number(name.size()) + ">" + name;