diff --git a/ChangeLog b/ChangeLog
index 108858e40..501be99d2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,5 +1,9 @@
 2015-06-01  Moritz Bunkus  <moritz@bunkus.org>
 
+        * MKVToolNix GUI: bug fix: when starting the GUI old jobs from the
+        queue were silently discarded if they included additional parts
+        (e.g. VOBs).
+
         * MKVToolNix GUI: bug fix: job queue: when saving the job queue
         jobs removed in the GUI were not removed from the stored settings.
 
diff --git a/src/mkvtoolnix-gui/merge/source_file.cpp b/src/mkvtoolnix-gui/merge/source_file.cpp
index fad5156ac..3af4328de 100644
--- a/src/mkvtoolnix-gui/merge/source_file.cpp
+++ b/src/mkvtoolnix-gui/merge/source_file.cpp
@@ -225,7 +225,7 @@ SourceFile::loadSettings(MuxConfig::Loader &l) {
 
 void
 SourceFile::fixAssociations(MuxConfig::Loader &l) {
-  if (isRegular())
+  if (isRegular() || isAdditionalPart())
     m_appendedTo = nullptr;
 
   else {