diff --git a/companion/src/modeledit/mixerdialog.cpp b/companion/src/modeledit/mixerdialog.cpp
index 6593cee74..2cc1bccbb 100644
--- a/companion/src/modeledit/mixerdialog.cpp
+++ b/companion/src/modeledit/mixerdialog.cpp
@@ -49,7 +49,7 @@ MixerDialog::MixerDialog(QWidget *parent, ModelData & model, MixData * mixdata,
     cb_fp[i] = tmp[i];
   }
 
-  this->setWindowTitle(tr("DEST -> %1").arg(RawSource(SOURCE_TYPE_CH, md->destCh - 1).toString(&model, &generalSettings)));
+  this->setWindowTitle(tr("DEST -> %1").arg(RawSource(SOURCE_TYPE_CH, md->destCh).toString(&model, &generalSettings)));
 
   int imId = dialogFilteredItemModels->registerItemModel(new FilteredItemModel(sharedItemModels->getItemModel(AbstractItemModel::IMID_RawSource),
                                                               (RawSource::InputSourceGroups & ~RawSource::NoneGroup) | RawSource::ScriptsGroup),