diff --git a/src/gui/gui.cpp b/src/gui/gui.cpp
index b6b3ade14..a99201d21 100644
--- a/src/gui/gui.cpp
+++ b/src/gui/gui.cpp
@@ -8800,7 +8800,15 @@ FurnaceGUI::FurnaceGUI():
   romMultiFile(false),
   romExportSave(false),
   pendingExport(NULL),
-  romExportExists(false) {
+  romExportExists(false),
+  songLength(0),
+  songLoopedSectionLength(0),
+  songFadeoutSectionLength(0),
+  songHasSongEndCommand(false),
+  lengthOfOneFile(0),
+  totalLength(0),
+  curProgress(0.0f),
+  totalFiles(0) {
   // value keys
   valueKeys[SDLK_0]=0;
   valueKeys[SDLK_1]=1;
@@ -8921,6 +8929,8 @@ FurnaceGUI::FurnaceGUI():
 
   memset(romExportAvail,0,sizeof(bool)*DIV_ROM_MAX);
 
+  songOrdersLengths.clear();
+
   strncpy(noteOffLabel,"OFF",32);
   strncpy(noteRelLabel,"===",32);
   strncpy(macroRelLabel,"REL",32);