diff -r 40e2940605a3 -r 4bec0525ef1b src/linetypes/subfilereference.h
--- a/src/linetypes/subfilereference.h	Wed Mar 18 17:11:23 2020 +0200
+++ b/src/linetypes/subfilereference.h	Thu Mar 19 21:06:06 2020 +0200
@@ -17,7 +17,6 @@
 		const QString &referenceName,
 		const Color color = ldraw::mainColor);
 	QVariant getProperty(Property property) const override;
-	SetPropertyResult setProperty(Property property, const QVariant& value) override;
 	QString textRepresentation() const override;
 	void getPolygons(std::vector<gl::Polygon>& polygons, GetPolygonsContext* context) const override;
 	glm::vec3 position() const;
@@ -26,4 +25,6 @@
 	glm::mat4 transformation;
 	QString referenceName;
 	bool isInverted = false;
+protected:
+	void setProperty(SetPropertyResult* result, const PropertyKeyValue& pair) override;
 };