diff --git a/src/frontends/qt4/GuiListings.cpp b/src/frontends/qt4/GuiListings.cpp
index 561022f595..1ab7c7e383 100644
--- a/src/frontends/qt4/GuiListings.cpp
+++ b/src/frontends/qt4/GuiListings.cpp
@@ -433,7 +433,8 @@ void GuiListings::on_languageCO_currentIndexChanged(int index)
 		}
 	}
 	dialectCO->setCurrentIndex(default_dialect);
-	dialectCO->setEnabled(dialectCO->count() > 1);
+	dialectCO->setEnabled(dialectCO->count() > 1
+			      && !buffer().params().use_minted);
 }