diff --git a/src/frontends/qt4/GuiDocument.cpp b/src/frontends/qt4/GuiDocument.cpp
index 08c2ea8163..515f10791e 100644
--- a/src/frontends/qt4/GuiDocument.cpp
+++ b/src/frontends/qt4/GuiDocument.cpp
@@ -191,11 +191,11 @@ public:
 		//   2. Description (lexicographic)
 		LayoutFile const & tc1 = LayoutFileList::get()[lhs];
 		LayoutFile const & tc2 = LayoutFileList::get()[rhs];
-		int const rel = compare_no_case(
+		int const order = compare_no_case(
 			translateIfPossible(from_utf8(tc1.description())),
 			translateIfPossible(from_utf8(tc2.description())));
 		return (tc1.isTeXClassAvailable() && !tc2.isTeXClassAvailable()) ||
-			(tc1.isTeXClassAvailable() == tc2.isTeXClassAvailable() && rel < 0);
+			(tc1.isTeXClassAvailable() == tc2.isTeXClassAvailable() && order < 0);
 	}
 };