diff --git a/src/BufferParams.cpp b/src/BufferParams.cpp
index 72239d8eac..dab711d047 100644
--- a/src/BufferParams.cpp
+++ b/src/BufferParams.cpp
@@ -2426,6 +2426,7 @@ vector<Format const *> const & BufferParams::exportableFormats(bool only_viewabl
 			theConverters().getReachable(*it, only_viewable, false, excludes);
 		result.insert(result.end(), r.begin(), r.end());
 	}
+	sort(result.begin(), result.end(), Format::formatSorter);
 	cached = result;
 	valid = true;
 	return cached;
diff --git a/src/frontends/qt4/GuiDocument.cpp b/src/frontends/qt4/GuiDocument.cpp
index 09d926029b..a3002f0bba 100644
--- a/src/frontends/qt4/GuiDocument.cpp
+++ b/src/frontends/qt4/GuiDocument.cpp
@@ -2561,8 +2561,8 @@ void GuiDocument::updateDefaultFormat()
 	outputModule->defaultFormatCO->clear();
 	outputModule->defaultFormatCO->addItem(qt_("Default"),
 				QVariant(QString("default")));
-	vector<Format const *> formats = param_copy.exportableFormats(true);
-	sort(formats.begin(), formats.end(), Format::formatSorter);
+	vector<Format const *> const & formats =
+				param_copy.exportableFormats(true);
 	for (Format const * f : formats)
 		outputModule->defaultFormatCO->addItem
 			(toqstr(translateIfPossible(f->prettyname())),
diff --git a/src/frontends/qt4/Menus.cpp b/src/frontends/qt4/Menus.cpp
index da1160a185..16182e6935 100644
--- a/src/frontends/qt4/Menus.cpp
+++ b/src/frontends/qt4/Menus.cpp
@@ -1051,7 +1051,6 @@ void MenuDefinition::expandFormats(MenuItem::Kind const kind, Buffer const * buf
 		LATTEST(false);
 		return;
 	}
-	sort(formats.begin(), formats.end(), Format::formatSorter);
 
 	bool const view_update = (kind == MenuItem::ViewFormats
 			|| kind == MenuItem::UpdateFormats);