diff --git a/src/Gui/DlgParameterImp.cpp b/src/Gui/DlgParameterImp.cpp
index 6a9ca967f6ae..61c7fd90488d 100644
--- a/src/Gui/DlgParameterImp.cpp
+++ b/src/Gui/DlgParameterImp.cpp
@@ -412,7 +412,7 @@ void ParameterGroup::onDeleteSelectedItem()
             int index = parent->indexOfChild(sel);
             parent->takeChild(index);
 
-            std::string groupName = sel->text(0).toLatin1();
+            std::string groupName = sel->text(0).toStdString();
             // must delete the tree item here because it and its children still
             // hold a reference to the parameter group
             delete sel;