diff --git a/Polyhedron/demo/Polyhedron/Plugins/Three_examples/CMakeLists.txt b/Polyhedron/demo/Polyhedron/Plugins/Three_examples/CMakeLists.txt
index 5a38461c13c..269d644b4ec 100644
--- a/Polyhedron/demo/Polyhedron/Plugins/Three_examples/CMakeLists.txt
+++ b/Polyhedron/demo/Polyhedron/Plugins/Three_examples/CMakeLists.txt
@@ -17,7 +17,7 @@ find_package(Qt5
              COMPONENTS            OpenGL Script Svg Xml
              OPTIONAL_COMPONENTS   ScriptTools WebSockets)
 
-if(CGAL_TEST_SUITE)
+if(RUNNING_CGAL_AUTO_TEST)
   polyhedron_demo_plugin(example_plugin Example_plugin)
 
   qt5_wrap_ui( basicUI_FILES Basic_dialog.ui  )