diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index 8c3929022..3434a8490 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -2634,7 +2634,7 @@ void FurnaceGUI::exportAudio(String path, DivAudioExportModes mode) {
   e->findSongLength(loopOrder,loopRow,audioExportOptions.fadeOut,songFadeoutSectionLength,songHasSongEndCommand,songOrdersLengths,songLength); // for progress estimation
 
   songLoopedSectionLength=songLength;
-  for (int i=0; i<loopOrder; i++) {
+  for (int i=0; i<loopOrder && i<(int)songOrdersLengths.size(); i++) {
     songLoopedSectionLength-=songOrdersLengths[i];
   }
   songLoopedSectionLength-=loopRow;