diff --git a/GraphicsView/demo/Periodic_2_triangulation_2/Periodic_2_Delaunay_triangulation_2.cpp b/GraphicsView/demo/Periodic_2_triangulation_2/Periodic_2_Delaunay_triangulation_2.cpp
index aea444b64dd..30f5d4fcbb7 100644
--- a/GraphicsView/demo/Periodic_2_triangulation_2/Periodic_2_Delaunay_triangulation_2.cpp
+++ b/GraphicsView/demo/Periodic_2_triangulation_2/Periodic_2_Delaunay_triangulation_2.cpp
@@ -432,7 +432,7 @@ void MainWindow::on_actionStoredCoverDomainSimplicesEmphasized_triggered(bool)
 }
 
 
-#include "Periodic_2_triangulation_2.moc"
+#include "Periodic_2_Delaunay_triangulation_2.moc"
 #include <CGAL/Qt/resources.h>
 
 int main(int argc, char **argv)