diff --git a/floorplan/v2/FloorplanLINT.h b/floorplan/v2/FloorplanLINT.h
index ebb5db9..34ca7b8 100644
--- a/floorplan/v2/FloorplanLINT.h
+++ b/floorplan/v2/FloorplanLINT.h
@@ -166,6 +166,11 @@ namespace Floorplan {
 
 		static void checkStair(Issues& res, const Floor* floor, const Stair* stair) {
 
+			if (stair->getParts().empty()) {
+				res.push_back(Issue(Type::ERROR, floor, "stair does not contain any parts! [empty stair]"));
+				return;
+			}
+
 			const std::vector<Floorplan::StairPart> parts = stair->getParts();
 			const std::vector<Floorplan::Quad3> quads = Floorplan::getQuads(parts, floor);