diff --git a/mainwindow.cc b/mainwindow.cc
index 99c035e5..759fba85 100644
--- a/mainwindow.cc
+++ b/mainwindow.cc
@@ -1383,6 +1383,8 @@ void MainWindow::editDictionaries( unsigned editDictionaryGroup )
   wordFinder.clear();
   dictionariesUnmuted.clear();
 
+  { // Limit existence of newCfg
+
   Config::Class newCfg = cfg;
   EditDictionaries dicts( this, newCfg, dictionaries, groupInstances, dictNetMgr );
 
@@ -1416,6 +1418,8 @@ void MainWindow::editDictionaries( unsigned editDictionaryGroup )
     Config::save( cfg );
   }
 
+  }
+
   makeScanPopup();
   installHotKeys();
 }