1 files changed, 2 insertions, 2 deletions
diff --git a/launcher/ui/dialogs/CopyInstanceDialog.cpp b/launcher/ui/dialogs/CopyInstanceDialog.cpp
index e5113981cd..a79b0a11cd 100644
--- a/launcher/ui/dialogs/CopyInstanceDialog.cpp
+++ b/launcher/ui/dialogs/CopyInstanceDialog.cpp
@@ -39,8 +39,8 @@ CopyInstanceDialog::CopyInstanceDialog(InstancePtr original, QWidget *parent)
     ui->iconButton->setIcon(APPLICATION->icons()->getIcon(InstIconKey));
     ui->instNameTextBox->setText(original->name());
     ui->instNameTextBox->setFocus();
-    auto groups = APPLICATION->instances()->getGroups().toSet();
-    auto groupList = QStringList(groups.toList());
+    auto groupList = APPLICATION->instances()->getGroups();
+    groupList.removeDuplicates();
     groupList.sort(Qt::CaseInsensitive);
     groupList.removeOne("");
     groupList.push_front("");