diff --git a/companion/src/modeledit/expodialog.cpp b/companion/src/modeledit/expodialog.cpp
index e8936bbbb..e71798ad5 100644
--- a/companion/src/modeledit/expodialog.cpp
+++ b/companion/src/modeledit/expodialog.cpp
@@ -49,7 +49,7 @@ ExpoDialog::ExpoDialog(QWidget *parent, ModelData & model, ExpoData *expoData, G
   }
 
   RawSourceType srcType = (firmware->getCapability(VirtualInputs) ? SOURCE_TYPE_VIRTUAL_INPUT : SOURCE_TYPE_INPUT);
-  setWindowTitle(tr("Edit %1").arg(RawSource(srcType, ed->chn).toString(&model, &generalSettings)));
+  setWindowTitle(tr("Edit %1").arg(RawSource(srcType, ed->chn + 1).toString(&model, &generalSettings)));
 
   int imId = dialogFilteredItemModels->registerItemModel(new FilteredItemModel(sharedItemModels->getItemModel(AbstractItemModel::IMID_RawSource),
                                 (RawSource::AllSourceGroups & ~RawSource::NoneGroup & ~RawSource::ScriptsGroup)),